{"id":11774,"date":"2021-06-08T11:35:32","date_gmt":"2021-06-08T08:35:32","guid":{"rendered":"https:\/\/drago-met.ru\/?p=11774"},"modified":"2024-03-22T14:24:02","modified_gmt":"2024-03-22T11:24:02","slug":"splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-svojstva-i-primenenie-razlichnyh-splavov-ot-idealnogo-sterlinga-do-izyashhnogo-shibuichi","status":"publish","type":"post","link":"https:\/\/drago-met.ru\/en\/serebro\/splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-svojstva-i-primenie-razlichnyh-splavov-ot-idealnogo-sterlinga-do-izyashnyh-shibuichi\/","title":{"rendered":"Alloy of silver and copper in the compositions of the 8 main tests: properties and applications of various alloys from perfect sterling to elegant shibuichi"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0421<a href=\"https:\/\/drago-met.ru\/en\/serebro\/proby-serebra-kakie-byvayut-vysshie-redkie-dlya-yuvelirnyh-izdelij-v-rossii-markirovka-klejmom-raschet-stoimi-kak-opredelit-otlichit-ot-poddelki-v-domashnih-usloviyah\/\" title=\"Silver assay: what are the highest, rare for jewelry in Russia, the marking, calculation of cost, how to determine and distinguish from the counterfeit at home\">silver<\/a> is in demand in many fields, from investments to the space industry. The metal is more accessible than gold, but it has never been less popular. Silver was favored by royalty and was the currency of international trade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In most cases, silver is alloyed with copper to improve the consumer properties and quality of such an alloy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Features of pure silver and the value of the metal<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pure silver is a malleable and ductile element that belongs to the group of <a href=\"https:\/\/drago-met.ru\/en\/serebro\/serebro-kak-himicheskij-element-tablitsy-mendeleeva-ag-istoriya-metalla-opisanie-fiziko-himicheskie-svojstva-primenenie-v-chistom-vide-i-v-splavah\/\" title=\"Silver as a chemical element in the Mendeleev table (Ag): history of the metal, description, physical and chemical properties, pure and alloy applications\">precious metals<\/a>which already includes gold, platinum, and five other platinum-grade metals.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-check is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">All noble elements share the unique property that they do not react to water, oxygen in the air, and other factors that can lead to corrosion and oxidation.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">In its pure form, lunar metal is heavy; it is slightly lighter than lead, but heavier than copper. It has the highest electrical conductivity of all existing metals. It can only be dissolved in nitric, concentrated sulfuric, and hydrochloric acids.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The precious metal is used for minting coins, coating the contacts of electronic devices, as a food additive, in the manufacture of mirrors, and as a disinfectant. The fields of application are constantly expanding.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/YUvelirnyj-splav-3.jpg\" alt=\"Silver alloy\" class=\"wp-image-10921\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/YUvelirnyj-splav-3.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/YUvelirnyj-splav-3-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/YUvelirnyj-splav-3-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Silver bars<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The jewelry industry accounts for about 20% of global silver production. In this industry, various impurities are added to the pure precious metal to improve its wear resistance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The value of silver as a jewelry material is as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>It has excellent casting qualities and lends itself to all machining techniques;<\/strong><\/li>\n\n\n\n<li><strong>Combines harmoniously with precious minerals;<\/strong><\/li>\n\n\n\n<li><strong>Able to neutralize bacteria, harmful to humans;<\/strong><\/li>\n\n\n\n<li><strong>Low cost;<\/strong><\/li>\n\n\n\n<li><strong>Has a universal shade to match any color<\/strong>;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Silver is a valuable asset. Its current value in 2021 is about 70 rubles per gram. If we analyze the data of the Central Bank of Russia exchange, we can conclude that the price of the metal is increasing from year to year.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The healing qualities of the precious metal have been known since the dawn of civilization. It is able to have a beneficial effect on the cardiovascular system, intestines, to relieve headaches, nervous tension.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The positive influence of the moon metal on the human body was first described by Hippocrates, the progenitor of modern medicine. He used the precious metal to disinfect wounds, ulcers, and burns.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Important: Despite its beneficial effects, silver tends to accumulate in the body and cause poisoning. The presence of pure precious metal in drinking water can be very dangerous.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">The perfect union of silver and copper<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ligatures are various impurities used to make the precious metal harder. The main alloying agent for silver is copper. Copper makes the precious metal stronger while maintaining its malleability and beauty.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The purity of the alloy is reflected in its value. The purer the material, the more expensive it is.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Serebro-i-med.jpg\" alt=\"The perfect union of silver and copper\" class=\"wp-image-11778\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Serebro-i-med.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Serebro-i-med-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Serebro-i-med-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Copper and silver<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The ideal combination of metals is called sterling alloy. It contains 92.5% of pure silver with the remainder in copper. This alloy is one of the most expensive and sought-after.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This union of copper and silver is ideal for creating jewelry: necklaces, chains, pendants, rings, earrings. It is used to cast a variety of kitchen utensils, souvenirs, and decorative items.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Other metals for silver alloying<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminum, cadmium, zinc, nickel, rhodium, and lead can be impurities. In addition to imparting hardness, the metals increase gloss and change the final color.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How a ligature is introduced into an alloy<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When introducing a ligature, the precious metal is melted first. Copper is introduced in portions so that the alloy does not solidify.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If several metals are fused, a more complicated technology is used. Let's look at the example of melting silver with copper, zinc, and cadmium.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">First, each material is rolled into thin plates. The resulting plates are wrapped in silver sheets, bagged, compressed, and lightened. Then the discolored mass is melted.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">The amount of ligature introduced is always strictly fixed. Even small deviations can lead to a deterioration of the entire alloy. For example, 1% of nickel will increase strength and 2.5% will make the alloy brittle. If more than 8.9% of tin is added to the copper-silver alloy, the material will become unstable and begin to react chemically with oxygen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Assaying of silver from 600 to 999.  Assaying according to GOST<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A unified standard for the quality of silver is set by GOST 6836-80. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-large is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">In the Russian Federation there are the following silver assays - 800, 8Z0, 875, 925, 960, 999.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">GOST prescribes the fields of application of silver alloys. They are ranked by purity, for industry alloys of any composition are suitable. In the jewelry industry materials containing more than 72% of the precious metal are used.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Serebro-kak-himicheskij-element-2-2.jpg\" alt=\"Natural Silver Minerals\" class=\"wp-image-11463\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Serebro-kak-himicheskij-element-2-2.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Serebro-kak-himicheskij-element-2-2-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Serebro-kak-himicheskij-element-2-2-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Silver Stones<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Branding on silver in Russia and abroad<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">All precious objects produced for sale must be specially branded. The hallmarking is carried out by the Assay Office. The presence of the stamp is proof that the jewelry meets the requirements of GOST.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The stamp has the following structure: first comes the code of the assay office, then the mark of the assay certificate, and after that - the numerical designation <a href=\"https:\/\/drago-met.ru\/en\/serebro\/serebro-84-proby-klejma-tsarskoj-rossii-sostav-sovremennyj-analog-gde-prodaetsya-segodnya-i-skolko-stoit-1-gramm\/\" title=\"Silver 84: Tsarist Russian marks, composition, modern equivalent, where it is sold today, and how much is 1 gram\">samples<\/a>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-check is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The key feature of silver marking is that all information about the precious alloy must be inscribed in a figure resembling a barrel.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">The marking can be placed in different places, as a rule it is hidden from sight:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>On chains and bracelets - next to the clasp;<\/strong><\/li>\n\n\n\n<li><strong>On the rings - on the inner rim;<\/strong><\/li>\n\n\n\n<li><strong>On spoons - on the back of the handle;<\/strong><\/li>\n\n\n\n<li><strong>The earrings have a clasp;<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Table: properties of silver standard samples according to GOSTU<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Alloy class<\/th><th>Density gsm<sup>3<\/sup><\/th><th>Melting point, C<sup>\u043e<\/sup><\/th><th>Brinell hardness, kgf\/mm<sup>2<\/sup><\/th><th>Tensile strength, kgf\/mm<sup>2<\/sup> &nbsp;<\/th><th>Relative elongation<\/th><\/tr><\/thead><tbody><tr><td>Pure precious metal<\/td><td>10,\u04179<\/td><td>960<\/td><td>35<\/td><td>18<\/td><td>49%<\/td><\/tr><tr><td>925<\/td><td>10,29<\/td><td>910-810<\/td><td>68<\/td><td>\u04170<\/td><td>29%<\/td><\/tr><tr><td>900<\/td><td>10,\u04170<\/td><td>890-779<\/td><td>76<\/td><td>\u04170<\/td><td>26%<\/td><\/tr><tr><td>875<\/td><td>10,16<\/td><td>810-779<\/td><td>76<\/td><td>\u04170<\/td><td>ZZ%<\/td><\/tr><tr><td>800<\/td><td>10,1\u0417<\/td><td>820-779<\/td><td>79<\/td><td>\u04171<\/td><td>Z0%<\/td><\/tr><tr><td>715<\/td><td>10,00<\/td><td>799<\/td><td>92<\/td><td>ZZ<\/td><td>27%<\/td><\/tr><tr><td>625<\/td><td>9,85<\/td><td>820-779<\/td><td>90<\/td><td>\u04171<\/td><td>Z1%<\/td><\/tr><tr><td>500<\/td><td>9,7<\/td><td>805-779<\/td><td>85<\/td><td>29<\/td><td>Z6%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">The use of different types of silver<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The field of application depends largely on the purity of the entire alloy. It is the assay that indicates the percentage of silver in the entire piece.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consider the most popular samples in ascending order of purity:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Because of its high copper content, the alloy has a yellow cast. It is practically not used in jewelry; more often it is used for needles, springs, clasps and other parts that are subject to heavy loads.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-2.jpg\" alt=\"Sterling silver brooch\" class=\"wp-image-11782\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-2.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-2-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-2-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Raspberry Needle Brooch<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">720 proof retains its original appearance for a long time, does not succumb to deformation.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">800 \u0438 830<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">These two samples are extremely durable, and they are used to make a variety of decorations and cutlery. Kitchen appliances need regular care; without periodic cleaning, they can become discolored.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Samples were especially common in Turkey, Egypt, France, and Italy.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">875<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/drago-met.ru\/en\/serebro\/875-proba-so-zvezdoj-chto-eto-za-metall-zoloto-ili-serebro-sost-stoimost-1-gramma-primenenie-v-yuvelirnom-mire-promyshlennosti-i-bytu-otzyvy\/\" title=\"875 hallmark with a star - what is this metal, gold or silver: composition, cost per gram, applications in jewelry, industry and households, reviews\">875 alloy<\/a> silver with copper is used in <a href=\"https:\/\/drago-met.ru\/en\/zoloto\/yuvelirnyj-splav-opredelenie-raznovidnosti-splav-i-prichiny-ih-sozdaniya-otlichie-ot-splav-bizhuternyh\/\" title=\"Jewelry alloy: definition, types of alloys and reasons for their creation, difference from costume jewelry alloys\">jewelry<\/a> of the economy class industry, for the manufacture of kitchen utensils. It contains 87.5% of pure precious metal and looks like white gold.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The color of the material is not as intense as that of the lower samples.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Stolovoe-serebro-5-1.jpg\" alt=\"Silver spoons, teaspoons, forks, knives\" class=\"wp-image-11657\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Stolovoe-serebro-5-1.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Stolovoe-serebro-5-1-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Stolovoe-serebro-5-1-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Silver cutlery<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">916<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nowadays this alloy is not one of the standard modern samples. The peak of its popularity came during the Soviet era, when it was used to make jewelry, souvenirs, and household items. On such items you can see the imprint of a five-pointed star or a worker's head - the stigma of the Soviet Union era.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Now 916-marked items are of historical value.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The material does not turn yellow because it contains a small amount of ligature.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">925<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Previously of precious metal <a href=\"https:\/\/drago-met.ru\/en\/serebro\/sterlingovoe-serebro-925-proby-iz-kitaya-chto-takoe-otlichie-otobychnogo-sostav-tehnologiya-polucheniya-primenenie-stoimost-za-1-gramm-pravilnyj-vyvy-i-uhod\/\" title=\"Sterling 925 sterling silver from China: what is it, its difference from sterling silver, composition, technology, applications, cost per gram, selection and care\">925 proof<\/a> The word \"sterling\" was used to coin English coins, hence the name \"sterling silver. There is a version according to which the word \"sterling\" itself came from the family name of the minting family, the Easterlings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This alloy makes shiny and durable items, and jewelers love to work with it. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">In addition to jewelry, 925 silver produces photo frames, saucers, vases and candlesticks.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1.jpg\" alt=\"925 sterling silver\" class=\"wp-image-11783\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Silver stamped with 925<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">960<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">96% of pure precious metal in the composition makes the alloy unstable to mechanical damage. For this reason, protective coatings are applied to products of this class.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The foundry properties of the precious metal allow you to create a real masterpiece, filigree jewelry that amazes with its elegance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">999<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The alloy consists of the purest lunar metal. It is used for minting collector coins and casting bank ingots.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">This material is not used for jewelry, as products made of it would be too fragile.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Color <a href=\"https:\/\/drago-met.ru\/en\/zoloto\/proby-zolota\/325-proba-splav-zolota-ili-serebra-sost-svojstva-stoimost-1-gramma-i-redkoe-primenenie-u-yuvelirov-segodnya\/\" title=\"325th hallmark: gold or silver alloy, composition, properties, cost per gram and rare use by jewelers today\">samples<\/a> is as close to white as possible. This is due to the property of silver to reflect light almost completely.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/999-proba-zolota-i-serebra-2.jpg\" alt=\"Sterling silver\" class=\"wp-image-10999\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/999-proba-zolota-i-serebra-2.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/999-proba-zolota-i-serebra-2-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/999-proba-zolota-i-serebra-2-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Sterling silver<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Other low-grade silver alloys<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The lowest silver assay is the 600 grade. It contains only 60% of precious metal and has a scarlet hue due to high copper content.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The use of silver is known <a title=\"500th assay gold: alloy, properties, use and cost of 1 gram. Top 5 ways to care for gold and gold testing methods\" href=\"https:\/\/drago-met.ru\/en\/zoloto\/proby-zolota\/500-proba-zolota-splav-svojstva-primenenie-i-stoimost-1-gramma-top-5-sposobov-uh-za-zolotom-i-methods-testirovaniya-zolot\/\">500 samples<\/a>, the material was used to mint the Tsar's billon and the German stamp.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Technical silver<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\"Technical\" refers to the precious metal contained in radio components. It can be found in many things around you. For example, a power supply contains about 1.5 grams of technical precious metal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is also used in medicine, dentistry, and the space industry. The assay of such material is 600-650.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/drago-met.ru\/en\/serebro\/tehnicheskoe-serebro-ponyatie-sostav-i-svojstva-gde-soderzhitsya-kak-poluchit-stoimost-i-vozmozhnost-realizatsii-vtorichnoe-primenenie-i-utilizatsiya\/\" title=\"Technical silver: concept, composition and properties, where it is contained, how to obtain it, cost and marketability, recycling and disposal\">Technical silver<\/a> has a number of positive characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The material is soft and flexible;<\/strong><\/li>\n\n\n\n<li><strong>It has a high electrical conductivity;<\/strong><\/li>\n\n\n\n<li><strong>The metal is inert and resistant to corrosion;<\/strong><\/li>\n\n\n\n<li><strong>It has a low <a href=\"https:\/\/drago-met.ru\/en\/serebro\/top-10-sposobov-kak-rasplavit-serebro-v-domashnih-usloviyah-temperatura-plavleniya-v-gradusah-vliyanie-proby-na-temperaturu-pereplavka-metalla-doma-osnovnye-etapy-i-prisposobleniya\/\" title=\"Top 10 ways - how to melt silver at home: melting temperature in degrees, the effect of the sample on the temperature, melting the metal at home, the basic steps and tools\">melting point<\/a>;<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The price of such precious metal varies about 60 rubles per <a href=\"https:\/\/drago-met.ru\/en\/zoloto\/proby-zolota\/525-proba-zolota-i-serebra-sostav-splav-metallov-i-diapazon-ottenkov-svojstva-proby-primenenie-i-stoimost-1-gramma\/\" title=\"525 gold and silver hallmark: composition of metal alloys and range of shades, hallmark properties, application and cost of 1 gram\">grams<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1-2.jpg\" alt=\"Technical silver\" class=\"wp-image-11785\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1-2.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1-2-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-1-2-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Technical silver plate<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\"Japanese Bronze\" Shibuichi<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Shibuichi is a precious alloy in the proportion of one part silver and up to three parts copper. The word \"shibuichi\" itself translates from Japanese as \"quarter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The material is used for making rings, knife handles, brooches, earrings, decorative parts of the Japanese katana sword. Shibuichi can be patinated to achieve original shades of blue, green and purple.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gilded silver<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-pochistit\/top-10-domashnih-chistyashih-sredstv-chtoby-pochistit-pozolochennoe-serebro-ot-chernoty-v-domashnih-usloviyah-bystro-i-effektivno-chtoby-ne-oblezlo-i-blestelo-ochka-pozoloty-s-kamnyami-stolovogo-s\/\" title=\"Top 10 home remedies to clean gilded silver from the blackness at home quickly and effectively to prevent fading and shine, cleaning gilding with stones, silverware, wristwatches\">Gold plated precious metal<\/a> usually corresponds to the 875 marking or higher. It is coated with a layer of gold a few microns thick.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">It is massively used for jewelry, cutlery, creating souvenirs.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">To distinguish between gilded silver and gold, you need to look at the markings on the piece. The solar metal may have the following hallmarks <a title=\"Gold 750 tests: how much gold it contains, what colors it can be, the properties of the alloy, use, cost and care rules for products made of it\" href=\"https:\/\/drago-met.ru\/en\/zoloto\/proby-zolota\/zolotaya-750-proba-skolko-v-nej-zolota-kakih-mozhet-byt-tsvetov-svojstva-splav-primenenie-stoimost-i-pravila-uhoda-za-izdeliyami-nego\/\">750<\/a>, <a title=\"Popular 585 gold hallmark - good or not: how it looks, formula of ideal alloy composition in percentage, use of precious metal, choice and care of it\" href=\"https:\/\/drago-met.ru\/en\/zoloto\/proby-zolota\/populyarnaya-585-proba-zolota-hoshaya-ili-net-kak-vyglyadit-formula-sostava-idealnogo-splava-v-protsentah-primenenie-dragotsennogo-metal-vybor-uhod-za-nim\/\">585<\/a>, \u041775. On silver - 925 or 875.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Ukrasheniya-iz-pozolochennogo-serebra-4.jpg\" alt=\"Gilded Silver Jewelry\" class=\"wp-image-11673\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Ukrasheniya-iz-pozolochennogo-serebra-4.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Ukrasheniya-iz-pozolochennogo-serebra-4-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Ukrasheniya-iz-pozolochennogo-serebra-4-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Men's bracelet in gilded silver<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Silver twins<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\"Doppelgangers\" are visually indistinguishable from the lunar metal, but do not contain precious materials. Known replicas are:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Melchior<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The alloy formula was obtained in 1819. Melchior contains nickel, iron, and manganese, and is a solid solution that is easy to work both hot and cold.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Melchior is distinguished by its light silver color, excellent casting properties, resistance to corrosion. It is widely used for minting silver-colored coins, creating inexpensive artistic items, and kitchen utensils. Melchior tableware must be silvered, otherwise it will give a metallic flavor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Neusilber<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\"Neusilber\" in German sounds like \"new silver. The composition includes copper, nickel, and zinc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neusilver is cheaper than melchior and is widely used for production of enamelware, filigree, wind instruments, and guitar fret. The material has also found industrial application in the production of medical instruments, parts of precision instruments.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-info is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The properties of nesilver and melchior are almost identical, nesilver being distinguished only by the presence of zinc.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" width=\"870\" height=\"600\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-4.jpg\" alt=\"Neusilber\" class=\"wp-image-11787\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-4.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-4-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Splav-serebra-i-medi-v-sostavah-8-glavnyh-prob-4-580x400.jpg 580w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><meta itemprop=\"width\" content=\"870\"><meta itemprop=\"height\" content=\"600\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Jewelry metal nesilver<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Silver protective coating for a dazzling shine<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Silver metal can lose its former opulence and darken. To maintain its aesthetic appearance, jewelers coat silver pieces with a layer of rhodium, up to one micron thick.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/drago-met.ru\/en\/serebro\/rodirovanie-serebra-chto-takoe-takoe-tehnologiya-protsessa-plyusy-i-minusy-pokrytiya-rodiem-yuvelirnyh-izdelij-kakoe-luchshe-ukrashenie-obychnoe-ili-rodirovannoe\/\" title=\"Plating silver - what is it, the technology of the process, the advantages and disadvantages of rhodium-plating jewelry, what kind of jewelry is better: plain or rhodium-plated?\">Rhodium<\/a> is distinguished by its high kindling temperature and resistance to any mechanical influences. It does not oxidize and is highly reflective. That is why rhodium is used as a protective-decorative coating.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-warning is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Rhodium-plated silver jewelry is similar in value to gold jewelry. Such jewelry is difficult to repair, resize, or recycle because brazing destroys the rhodium layer.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">In addition to rhodium, wax or special varnish is used to protect the surface of the product.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Interesting facts about silver<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This precious metal has been known to mankind for more than 6,000 years. During this time, many facts about silver have been discovered. Let's look at the most interesting of them.<\/p>\n\n\n\n<ol class=\"wp-block-list\" type=\"1\">\n<li><strong>The metal kills about 650 species of bacteria, but its excess in the body can lead to poisoning, the destruction of DNA molecules.<\/strong><\/li>\n\n\n\n<li><strong>At the dawn of civilization, silver was revered by many peoples as a sacred symbol of the moon.<\/strong><\/li>\n\n\n\n<li><strong>The longest silver nugget was found at the Cobalt Mine. It was even dubbed the \"silver sidewalk\" because it was 32 meters long. The weight of the precious piece was 10 thousand tons.<\/strong><\/li>\n\n\n\n<li><strong>The dispersal of clouds and other human interference with weather phenomena was made possible by this precious metal.<\/strong><\/li>\n\n\n\n<li><strong>Silver is used as a food additive in designer restaurants. It is designated as E174.<\/strong><\/li>\n\n\n\n<li><strong>A little of this metal is found in all mammalian organisms, and the largest amounts are found in brain neurons.<\/strong><\/li>\n\n\n\n<li><strong>The lunar metal is considered a symbol of purity. It is believed to be able to ward off evil forces, which is why it is used to cast religious amulets.<\/strong><\/li>\n\n\n\n<li><strong>Seawater contains 10 times more silver than gold.<\/strong><\/li>\n\n\n\n<li><strong>The precious metal has an almost one hundred percent light reflection coefficient. That is why it is used for cameras and high-end mirrors.<\/strong><\/li>\n\n\n\n<li><strong>The largest reserves of lunar metal are in India.<\/strong><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Video: silver refining<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-\u0432\u0441\u0442\u0430\u0432\u0438\u0442\u044c-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a wp-block-embed-\u0432\u0441\u0442\u0430\u0432\u0438\u0442\u044c-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"The silver refining process is simple and fast\" width=\"730\" height=\"411\" src=\"https:\/\/www.youtube.com\/embed\/uw-mWU8aozM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Reviews<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\"><em>I had a silver ring blackened. I took it to the shop, and the craftsman treated the surface of the jewelry with rhodium. Now the ring does not tarnish or scratch, and looks even more attractive than before the procedure.<\/em><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image is-style-rounded\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Masha-P.-g-Lvov.png\" alt=\"Masha P., Lviv\" class=\"wp-image-11581\" width=\"150\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Masha-P.-g-Lvov.png 319w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Masha-P.-g-Lvov-100x100.png 100w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Masha-P.-g-Lvov-80x80.png 80w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Masha-P.-g-Lvov-75x75.png 75w\" sizes=\"(max-width: 319px) 100vw, 319px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">Maria<\/mark><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image is-style-rounded\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Richard-N.-g-Vladikavkaz.png\" alt=\"Richard N., Vladikavkaz\" class=\"wp-image-11790\" width=\"150\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Richard-N.-g-Vladikavkaz.png 320w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Richard-N.-g-Vladikavkaz-100x100.png 100w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Richard-N.-g-Vladikavkaz-80x80.png 80w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/06\/Richard-N.-g-Vladikavkaz-75x75.png 75w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">Boris<\/mark><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\"><em>I bought a silver bullion bank a few years ago for investment purposes. It weighs a lot of pure silver, I did not even expect that such a small piece could be so heavy. I keep the bullion at home without taking it out of its packaging, so as not to accidentally scratch the soft material.<\/em><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\"><em>I began to wonder how much a silver service that I inherited might be worth. I found the 916 mark on it, and it turned out to be a hallmark from Soviet times. It is now of historical value, but I decided to keep it as a memento.<\/em><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image is-style-rounded\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Vasilij-P-g.-Voronezh.jpg\" alt=\"Vasily P, Voronezh\" class=\"wp-image-10868\" width=\"150\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Vasilij-P-g.-Voronezh.jpg 1024w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Vasilij-P-g.-Voronezh-800x800.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Vasilij-P-g.-Voronezh-400x400.jpg 400w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Vasilij-P-g.-Voronezh-100x100.jpg 100w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Vasilij-P-g.-Voronezh-80x80.jpg 80w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/05\/Vasilij-P-g.-Voronezh-75x75.jpg 75w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">Victor<\/mark><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Jeweler's comment<\/h2>\n\n\n<div class=\"expert-review expert-review--color-green-2\"><div class=\"expert-review-expert\">  <div class=\"expert-review-expert-bio\">    <div class=\"expert-review-expert-bio__avatar\"><img decoding=\"async\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/03\/YUvelir-Molokanov-N.M..jpg\" alt=\"Molokanov N.M.\">    <\/div>    <div class=\"expert-review-expert-bio__body\">      <div class=\"expert-review-expert-bio-name\">Molokanov N.M.<\/div>      <div class=\"expert-review-expert-bio-description\">Jeweler, experience in jewelry manufacturing 26 years.<\/div>    <\/div>  <\/div>  <div class=\"expert-review-expert-text\">  Together copper and silver create a resilient alloy, suitable for creating a huge number of things. The most famous union of these elements is called sterling, and it corresponds to 925 proof. <br \/>\n<br \/>\nThe alloy of silver and copper is considered the benchmark because copper has less effect on the appearance and physical qualities of the precious metal than other impurities.  <\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\u0421\u0435\u0440\u0435\u0431\u0440\u043e \u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0441\u043f\u0440\u043e\u0441\u043e\u043c \u0432\u043e \u043c\u043d\u043e\u0433\u0438\u0445 \u0441\u0444\u0435\u0440\u0430\u0445, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u043e\u0442 \u0438\u043d\u0432\u0435\u0441\u0442\u0438\u0446\u0438\u0439 \u0438 \u0437\u0430\u043a\u0430\u043d\u0447\u0438\u0432\u0430\u044f \u043a\u043e\u0441\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c\u044e. \u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u0430\u043b\u043b 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\u0441\u043b\u0443\u0447\u0430\u0435\u0432 \u0441\u0435\u0440\u0435\u0431\u0440\u043e \u0441\u043f\u043b\u0430\u0432\u043b\u044f\u044e\u0442 \u0441 \u043c\u0435\u0434\u044c\u044e \u0434\u043b\u044f \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u043f\u043e\u0442\u0440\u0435\u0431\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0441\u0432\u043e\u0439\u0441\u0442\u0432 \u0438 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0433\u043e \u0441\u043f\u043b\u0430\u0432\u0430. \u041e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0447\u0438\u0441\u0442\u043e\u0433\u043e \u0441\u0435\u0440\u0435\u0431\u0440\u0430 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11780,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"crb-meta-links":"","crb-meta-show":"","crb-meta-show-edited":"","crb-meta-use-manual":"","footnotes":""},"categories":[308],"tags":[],"class_list":["post-11774","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-serebro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0421\u043f\u043b\u0430\u0432 \u0441\u0435\u0440\u0435\u0431\u0440\u0430 \u0438 \u043c\u0435\u0434\u0438: \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435, \u043a\u0430\u043a\u0438\u0435 \u043f\u0440\u043e\u0431\u044b \u0431\u044b\u0432\u0430\u044e\u0442, \u043a\u043b\u0435\u0439\u043c\u043e \u0441\u043f\u043b\u0430\u0432\u0430 \u043c\u0435\u0434\u0438 \u0441 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