﻿{"id":9539,"date":"2021-04-09T14:56:06","date_gmt":"2021-04-09T11:56:06","guid":{"rendered":"https:\/\/drago-met.ru\/?p=9539"},"modified":"2024-03-22T21:51:54","modified_gmt":"2024-03-22T18:51:54","slug":"top-10-sposobov-kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-svojstva-latuni-radikalnye-i-populyarnye-metody-proverki-dragmetallov","status":"publish","type":"post","link":"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-proverit\/top-10-sposobov-kak-otlichit-latun-ot-zolota-v-domashnih-usloviyh-svojstva-latuni-radikalnye-i-populyarnye-methods-proverki-dragmetals\/","title":{"rendered":"Top 10 ways to distinguish brass from gold at home: the properties of brass, radical and popular methods of testing precious metals"},"content":{"rendered":"<p>In recent years, there has been a tendency to reduce the volume of gold-bearing rock mining. But so far this does not affect the number of jewelry stores. One of the reasons for such a contradiction is the supply of jewelry with altered composition. In order not to run into an unscrupulous seller, you should know how to distinguish brass from gold in <a href=\"https:\/\/drago-met.ru\/en\/serebro\/top-10-sposobov-galvanicheskogo-serebreniya-metallov-v-domashnih-usloviyah-kak-poserebrit-s-pomoshhyu-anod-i-katoda-elektrolizom\/\" title=\"Top 10 ways of galvanic silvering of metals at home - how to silver with anode and cathode, electrolysis\">at home<\/a>. This will help to avoid trouble, and at the same time <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-proverit\/top-12-luchshih-sposobov-kak-proverit-zoloto-na-podlinnost-v-domashnih-usloviyah-kak-opredelit-nastoyashhee-ukrashenie-ili-falshivaya-pozolota\/\" title=\"Top 14 best ways - how to check the authenticity of gold at home, how to determine the real jewel or counterfeit gilding\">check out<\/a> the quality of the jewelry available at home. A variety of <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/top-10-sposobov-kak-otpolirovat-zolote-koltso-v-domashnih-usloviyah-ot-tsarapin-sovety-yuvelira-po-uhodu-za-ukrasheniem\/\" title=\"Top 10 ways to polish gold ring at home from scratches: jeweler&#039;s tips on how to take care of your jewelry\">ways<\/a>, allowing testing to be done. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>There are also indirect signs indicating a discrepancy in the parameters of products made of noble and simple metal.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">The properties of brass and how it differs from gold. How brass is disguised as a noble metal<\/h2>\n\n\n\n<p>At a cursory glance, gold and brass may appear to be made of the same metal. In fact, upon closer examination, the difference between the materials will be apparent. To do this, you need to pay attention to the main parameters, learn the composition, density, etc. Brass is an alloy of copper with zinc, several alloying components. Zinc is considered the main one. The metal is represented by types: two-component and multicomponent. Its physicochemical characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>density - 8.5-8.7 kg\/cm<sup>3<\/sup>;<\/strong><\/li>\n\n\n\n<li><strong>the metal is not ferromagnetic (but there are exceptions when ferromagnetics are incorporated during production);<\/strong><\/li>\n\n\n\n<li><strong>temperature at which the metal melts: 880-950\u00b0C;<\/strong><\/li>\n\n\n\n<li><strong>The color is yellow with a golden hue;<\/strong><\/li>\n\n\n\n<li><strong>high degree of plasticity;<\/strong><\/li>\n\n\n\n<li><strong>raw metal is oxidized by contact with oxygen;<\/strong><\/li>\n\n\n\n<li><strong>resistance to corrosion.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Brass exhibits different properties, they are determined by the content of alloying components. This determines the type of products made of such metal. The main type of raw material for brass production is copper. In terms of strength, this metal is inferior to many: bronze, but not gold (the latter is softer). <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-check is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Because of its properties, brass is used in the manufacture of decorative items.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-1.png\" alt=\"Brass rings\" class=\"wp-image-9548\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-1.png 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-1-800x552.png 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-1-580x400.png 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\">Two brass rings<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<p>When comparing with gold, there are many differences. But you can learn about them only with a closer examination of the characteristics. <a href=\"https:\/\/drago-met.ru\/en\/zoloto\/top-10-sposobov-kak-otlichit-beloe-zoloto-ot-serebra-vizualno-na-glaz-i-v-domashnih-usloviy-harakteristika-metalov-osnovnye-kriterii-otlichij\/\" title=\"Top 10 ways to distinguish white gold from silver visually and at home: characteristics of metals, the main criteria for differences\">Distinctions<\/a> gold:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>higher temperature at which the metal melts, and density;<\/strong><\/li>\n\n\n\n<li><strong>bright luster: in comparison, brass is also lustrous, often muted, but this characteristic appears differently, depending on the composition.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>There are many similarities between the metals, which explains the high risk of buying a fake, because brass is easy to disguise as gold, for this use tricks:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A certain number of components are used in the production process, thanks to which the finished product acquires external characteristics that make brass look like a noble metal;<\/strong><\/li>\n\n\n\n<li><strong>applying a decorative coating, for which they use <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\">gilding technique<\/a>The brass is polished beforehand.<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Top 10 ways to distinguish gold from brass at home<\/h2>\n\n\n\n<p>Consider different possibilities to determine what metal the item is made of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>perform an inspection: check the external characteristics (evaluate the appearance of the product, the sound upon impact, etc.);<\/strong><\/li>\n\n\n\n<li><strong>use methods to determine whether it is brass or gold that is being considered;<\/strong><\/li>\n\n\n\n<li><strong>use improvised means, thanks to which you can verify the correct choice.<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-3.jpg\" alt=\"Brass and gold ring\" class=\"wp-image-9550\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-3.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-3-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-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\">Brass and gold ring<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ways to check brass jewelry by eye and sound<\/h3>\n\n\n\n<p>Before buying, it is not always possible to test with chemicals or to use another method for determining the authenticity of a piece of gold. In this case, you should rely on circumstantial signs and some of the characteristics that are characteristic of the precious metal.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Branding and hallmark<\/h4>\n\n\n\n<p>Different types of techniques are used to mark jewelry:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The assay: put on the product, confirms that the metal belongs to a particular group (common variants for gold: 583, <a href=\"https:\/\/drago-met.ru\/en\/zoloto\/temperatura-plavleniya-zolota-vliyanie-proby-585-ili-999-i-ligatur-vazhnyj-protsess-ochistki-zolota-per-plavleniya-i-plavka-metal-v-domashnih-usloviyah\/\" title=\"Melting temperature of gold: the effect of the alloy (585 or 999) and ligatures; the important process of cleaning gold before melting and melting the metal at home\">585<\/a>, 750), the shape is always rectangular;<\/strong><\/li>\n\n\n\n<li><strong>Name plate - contains information about the manufacturer;<\/strong><\/li>\n\n\n\n<li><strong>stigma <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-pochistit\/top-10-effektivnyh-sposobov-ochistki-serebryanyh-monet-v-domashnih-usloviyah-narodnye-retsepty-i-sovety-yuvelira\/\" title=\"Top 10 effective ways to clean silver coins at home. Folk recipes and tips jeweler\">jeweler<\/a> or the imprint logo of the manufacturing plant.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>If you need to determine how <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-proverit\/top-10-sposobov-kak-otlichit-platinu-ot-serebra-v-domashnih-usloviyh-sravnitelnyj-analiz-svojstva-metalov-kak-ne-kupit-podelku\/\" title=\"Top 10 ways to distinguish platinum from silver at home, a comparative analysis of the properties of metals, how not to buy a fake\">distinguish between gold<\/a> from brass, it is necessary to know how the stamping is performed. This type of branding is placed on certain areas of the items:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>rings - inner surface;<\/strong><\/li>\n\n\n\n<li><strong>earrings - clasp or stem (stud earrings);<\/strong><\/li>\n\n\n\n<li><strong>bracelets, like earrings, are punched from the inside;<\/strong><\/li>\n\n\n\n<li><strong>jewelry with an English lock - on one of the elements of the locking mechanism;<\/strong><\/li>\n\n\n\n<li><strong>the clock - inside, on the lid.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>In addition, the precious metal is stamped in a special way: the branding is clear, regular in shape, and the numbers are clearly visible. Fakes often lack these features. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-check is-layout-flow wp-block-quote-is-layout-flow\">\n<p>In this case, the test is performed carelessly.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-6.jpg\" alt=\"Branding and hallmark\" class=\"wp-image-9553\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-6.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-6-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-otlichit-latun-ot-zolota-v-domashnih-usloviyah-6-580x400.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\">Gold ring assay<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">The cost of jewelry<\/h4>\n\n\n\n<p>If the seller provided the real product and the appropriate price, you can see a huge difference between jewelry made of precious and non-precious metal. With the same exterior features, you can be guided by the price. If a seller is trying to pass off brass items as precious, set the same price with identical characteristics of both types of jewelry, the buyer has little chance to buy a quality item. You should also pay attention to circumstantial factors.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Throw an ornament on the glass<\/h4>\n\n\n\n<p>If dropped onto a glass surface or into a glass <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-pochistit\/top-5-luchshih-sposobov-kak-pochistit-zolotoe-koltso-s-brilliantom-v-domashnih-usloviyh-bystro-i-effektivno-zhestkie-mery-v-ekstrennyh-sluchayah\/\" title=\"The top 5 best ways to clean a gold diamond ring at home quickly and effectively: tough measures in emergency cases\">gold ring<\/a> or earring makes a unique sound. It can only be compared to the ringing of crystal. Brass will sound different because of the properties of the components, the structure, and the density of the material. You can do a little experiment - throw a brass object on a glass display case. You should make this action look random so as not to arouse the suspicions of the store staff. By the sound you can determine to which metal the ring\/earring belongs more.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-warning is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Important: The method of determining the quality of jewelry by sound is only suitable for small items.<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">Tooth Check<\/h4>\n\n\n\n<p><a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-proverit\/top-15-sposobov-kak-otlichit-melhior-ot-serebra-v-domashnih-usloviyh-sravnenie-melhiora-s-original-plyusy-i-minusy-imitatsii\/\" title=\"Top 15 ways to distinguish melchior from silver at home, a comparison of melchior and the original, the pros and cons of imitation\">The way<\/a> was often used earlier, when the gold content of the products was higher. As a result, softer pieces were produced. They were tasted \"on the teeth\", and distinctive marks were left behind. Nowadays, our jewelry has a higher hardness. This is due to the presence of different alloys. Therefore, it is possible to dent precious metals, but there is no guarantee that it will work. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-check is-layout-flow wp-block-quote-is-layout-flow\">\n<p>For this reason it is used as an auxiliary measure.<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">Reaction test with gold chloride<\/h4>\n\n\n\n<p>In the home, you can use a special agent - chlorine gold. But a bottle of small volume <a 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\/\" title=\"500th assay gold: alloy, properties, use and cost of 1 gram. Top 5 ways to care for gold and gold testing methods\">worth<\/a> is quite expensive. So, it is advisable to purchase this remedy if you have to deal with precious metals frequently. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/Spetsialnoe-sredstvo-hlornoe-zoloto.jpg\" alt=\"Chlorine gold: determination of the gold assay\" class=\"wp-image-9556\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Spetsialnoe-sredstvo-hlornoe-zoloto.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Spetsialnoe-sredstvo-hlornoe-zoloto-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Spetsialnoe-sredstvo-hlornoe-zoloto-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\">A special agent - chlorine gold<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-style-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>When the substance is applied to brass, the components react, resulting in a change in the appearance of the product. However, the precious metal behaves differently. If chlorine gold is applied to such jewelry, there will be no change in the appearance and properties of the item.<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">Product shades<\/h4>\n\n\n\n<p>Based on the hue, you can get only a remote idea of the properties of the metal, because the color of gold is always different: it varies from light yellow to rich, almost red. This depends on the composition--the type of components. But still there is always a bright luster on gold jewelry. This is not always the case with the brass ones. The combination of these two factors allows you to assess the quality of the item upon external examination.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Radical methods of checking at home<\/h3>\n\n\n\n<p>If there is no certainty whether the item you buy is really gold, it is suggested that you consider more sophisticated techniques. But not all of them are safe for the item being tested; there is a risk of spoiling the item. In addition, they are mostly used in the conditions of a production site or laboratory. You don't have the right equipment at home. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-warning is-layout-flow wp-block-quote-is-layout-flow\">\n<p>To distinguish between brass and gold, consider methods of remelting, exposure to corrosive environments, etc.<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">Teagle Method<\/h4>\n\n\n\n<p>They are used for melting of metal products. They are used for the purpose of combustion, weighing, homogenization, among others. Crucibles are represented by a variety of forms, made of refractory materials. Such containers are an integral part of laboratory equipment. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-check is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Crucible remelting produces liquid metal that is used to make other items. <\/p>\n<\/blockquote>\n\n\n\n<p>In this case, the determining factor is the physical and chemical properties of the material, in particular the temperature at which the metal melts. This parameter is used to determine the type of product: gold has a higher index than brass.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/tigli-dlya-plavki-metalla.jpeg\" alt=\"Teagle Method\" class=\"wp-image-9557\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/tigli-dlya-plavki-metalla.jpeg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/tigli-dlya-plavki-metalla-800x552.jpeg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/tigli-dlya-plavki-metalla-580x400.jpeg 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\">Gold melting crucibles<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Trick with a needle<\/h4>\n\n\n\n<p>The method is used to determine the metal sample: it is necessary to draw stripes with needles of different samples (2 samples are enough), between them the assay stone is placed. Then acid is applied to these areas. Conducted with a passing paper, which contributes to a change in the color of the materials. In this way determine whether the sample belongs to one of the metals. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-warning is-layout-flow wp-block-quote-is-layout-flow\">\n<p>If the item is fake (made of brass), there will be no result or it will differ significantly from what is expected, which will confirm the assumption of a fake.<\/p>\n<\/blockquote>\n\n\n\n<p>There is another method based on the use of a needle. It is used for fine gold. Lines are drawn on the assay stone using samples. They will be different colors: pale, brighter. This depends on the properties of particles of gold, other metal, left by the samples. According to their appearance, they are able to identify the type of metal. This method gives an opportunity to know the approximate content of the alloying components, as the color of the finished item depends on the composition.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Nitric acid<\/h4>\n\n\n\n<p>A drop of nitric acid is applied to various items. If the metal does not change its appearance on contact, you can say that it is gold. Brass takes on a green hue after an acid application.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized is-style-default\"><span itemprop=\"image\" itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><img itemprop=\"url image\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Azotnaya-kislota.png\" alt=\"Nitric acid\" class=\"wp-image-9559\" width=\"840\" height=\"579\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Azotnaya-kislota.png 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Azotnaya-kislota-800x552.png 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Azotnaya-kislota-580x400.png 580w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><meta itemprop=\"width\" content=\"840\"><meta itemprop=\"height\" content=\"579\"><\/span><figcaption class=\"wp-element-caption\"><strong><span class=\"has-inline-color has-black-color\">Nitric acid (HNO3)<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Testing tools at hand<\/h3>\n\n\n\n<p>For <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-proverit\/kak-proverit-zoloto-v-domashnih-usloviyah-jodom-na-podlinnost-instruktsiya-po-testirovaniyu-i-ochistki-izdeliya-rasshifrovka-rezultat-alternatnye-sposoby-proverki-yuvelirnyh-ukrashenij\/\" title=\"How to check the gold at home iodine for authenticity: instructions for testing and cleaning products, deciphering the result, alternative ways to test jewelry\">checks<\/a> <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-proverit\/top-20-luchshih-sposobov-kak-opredelit-serebro-il-i-net-v-domashnih-usloviyah-kak-proverit-na-podlinnost-i-ne-sputat-s-poddelkoj-bez-proby-v-magazine-doma\/\" title=\"Top 20 best ways to determine whether silver or not, at home, how to check for authenticity and not to be confused with a fake without a hallmark in the store, at home\">authenticity<\/a> The reason for this is the use of improvised agents acting as reagents and catalysts. The reason is the use of improvised means, which act as reagents and catalysts.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Ceramic Tiles<\/h4>\n\n\n\n<p>It is necessary to find a sample of unglazed facing material. The secret is that when you run a gold piece over unglazed ceramics, it will leave a streak of the same color as the metal.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Experiment with foundation<\/h4>\n\n\n\n<p>The method is based on the reaction of the cosmetic with gold. It is necessary to first apply the foundation to the skin. Then the product that is in doubt is swept over that area. Gold leaves a gray streak under these conditions. Brass leaves no trace.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Iodine test<\/h4>\n\n\n\n<p>When liquid remedies are used, sometimes it takes some time for the reaction to develop. But in the end, it is possible to verify the authenticity of the purchased jewelry or, on the contrary, to wonder about its quality: gold turns brown after contact with <a href=\"https:\/\/drago-met.ru\/en\/yuvelirnye-izdeliya\/kak-pochistit\/top-10-sposobov-kak-ochistit-zolote-kolotso-ot-joda-test-na-podlinnost-metody-domashnej-i-professionalnoj-ochistki\/\" title=\"Top 10 ways to clean gold ring from iodine: authenticity test, home and professional cleaning methods\">with iodine<\/a>The appearance of the brass will not change.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/Kak-proverit-zoloto-v-domashnih-usloviyah-jodom-na-podlinnost-09-1.jpg\" alt=\"How to test gold at home with iodine for authenticity 09 1\" class=\"wp-image-9172\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-proverit-zoloto-v-domashnih-usloviyah-jodom-na-podlinnost-09-1.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-proverit-zoloto-v-domashnih-usloviyah-jodom-na-podlinnost-09-1-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Kak-proverit-zoloto-v-domashnih-usloviyah-jodom-na-podlinnost-09-1-580x400.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\">Iodine test<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Checking with vinegar<\/h4>\n\n\n\n<p>Instructions:<\/p>\n\n\n\n<ol class=\"wp-block-list\" type=\"1\">\n<li><strong>Prepare a container of neutral material: ceramic, plastic.<\/strong><\/li>\n\n\n\n<li><strong>Add vinegar, then observe the reaction. Gold will not interact with this substance, no stains will appear on the item, and the general signs will remain. In comparison, brass can darken.<\/strong><\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">Black bread<\/h4>\n\n\n\n<p>Gold is not subject to oxidation (in its pure form), but the modern metal most often contains a substantial proportion of alloying components, so there is no 100% guarantee of the reliability of this method. But you can study the theory: if you put the gold jewelry in the bread pulp, it will retain its original color, while the brass, on the contrary, can be severely damaged (dark spots will appear).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Lapis pencil<\/h4>\n\n\n\n<p>The product is sold at the drugstore. It serves as a catalyst for reactions with the components in the metal. If you stroke it on a pre-moistened gold chain, nothing will happen, the metal will retain its original appearance.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/Lyapisnyj-karandash.jpg\" alt=\"Lapis pencil\" class=\"wp-image-9561\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Lyapisnyj-karandash.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Lyapisnyj-karandash-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Lyapisnyj-karandash-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\">Flapper pencil for checking gold<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Magnetic reaction<\/h4>\n\n\n\n<p>The method is based on comparing products according to their magnetic properties. Brass is most often not a ferromagnet, but can acquire the desired properties if a component with characteristic properties is introduced into the composition. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-warning is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Gold does not react at all to an external magnetic field.<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">Solar baths<\/h4>\n\n\n\n<p>Pay attention to the properties of metals under certain conditions. One way is by exposing brass and gold to sunlight. In the first case, the intensity of luster will be different - in the shade, the metal is less bright than in the sun. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-check is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Gold, on the other hand, behaves the same way regardless of the environmental conditions.<\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\">Archimedes' law<\/h4>\n\n\n\n<p>Take into account the weight of metal products. For example, gold is much heavier than brass. If you submerge the item in water, then, according to Archimedes' law, a force equal to the weight of the water that has been displaced will act on the body submerged in the liquid. When conducting such an experiment, it will be found out that gold sinks because of its weight, but brass does not. It is possible to perform simple calculations yourself and determine the mass of the product.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Video: how to distinguish gold from brass at home and in the salon<\/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=\"HOW TO DISTINGUISH GOLD FROM BRASS. THE MARKING OF A GOLD TRANSISTOR.\" width=\"730\" height=\"411\" src=\"https:\/\/www.youtube.com\/embed\/WnmTPabjSII?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\">Useful applications of brass in electronics<\/h2>\n\n\n\n<p>Brass is not a noble metal, but it is a sought-after alloy. Parts of various mechanisms are made of it. Products that are made of brass:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>instrument pipes;<\/strong><\/li>\n\n\n\n<li><strong>foil;<\/strong><\/li>\n\n\n\n<li><strong>sheets;<\/strong><\/li>\n\n\n\n<li><strong>bushings;<\/strong><\/li>\n\n\n\n<li><strong>wire;<\/strong><\/li>\n\n\n\n<li><strong>rods;<\/strong><\/li>\n\n\n\n<li><strong>tape, etc.<\/strong><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-style-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Brass is used in the assembly of radio components, and is also used in radio equipment manufacturing (hardware, gears, printed circuits). The material is sent for remelting, after which it can be reused.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><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\/04\/Latun.jpg\" alt=\"Brass\" class=\"wp-image-9563\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Latun.jpg 870w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Latun-800x552.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Latun-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\">Use of brass alloys in electronics<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Jeweler's recommendations on how not to buy fakes<\/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 class=\"expert-review-expert-bio__button\"><span class=\"expert-review-button js-expert-review-button\" data-settings=\"{&quot;type&quot;:&quot;comments&quot;,&quot;expertType&quot;:&quot;expert_id&quot;,&quot;expertId&quot;:&quot;1&quot;,&quot;use_phone&quot;:0,&quot;link&quot;:&quot;&quot;,&quot;sign&quot;:&quot;787e96275ad8e6d976c3e2a53461b124085feafa19b1ed820eb8952b24a49d16&quot;}\">Ask a question<\/span>    <\/div>  <\/div>  <div class=\"expert-review-expert-text\">  First of all, you should pay attention to the price. If it is low, then do not consider buying. When the cost remains the same regardless of the composition of the material, you can examine it, touch it. In most cases, carefully examine the properties of the product. Brass is lighter than gold, which is due to its low density.  <\/div><\/div><\/div>\n<p><\/p>\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-9d6595d7 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><em>I once bought a ring in a small store and it was sold to me as gold. I liked it, so I wasn't looking for a catch (the price was below average for such items). I wore it long enough, nothing was questionable. Even then, when I was given another ring, I felt the difference - the latter is heavier. I used to have mostly silver, so I didn't find out information about the composition of the gold. Later I took both items to a jeweler, and the verdict was unambiguous - I had bought a fake. Perhaps there was gold, but in small quantities.<\/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\/04\/Zemfira-Pronina-g.-Kazan.jpg\" alt=\"Zemfira Pronina, Kazan\" class=\"wp-image-9545\" width=\"150\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Zemfira-Pronina-g.-Kazan.jpg 1024w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Zemfira-Pronina-g.-Kazan-800x800.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Zemfira-Pronina-g.-Kazan-400x400.jpg 400w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Zemfira-Pronina-g.-Kazan-100x100.jpg 100w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Zemfira-Pronina-g.-Kazan-80x80.jpg 80w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Zemfira-Pronina-g.-Kazan-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\">Anna<\/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-9d6595d7 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\/04\/Elena-Rimskaya-g.-Sankt-Peterburg.jpg\" alt=\"Elena Rimskaya, St. Petersburg\" class=\"wp-image-9544\" width=\"150\" srcset=\"https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Elena-Rimskaya-g.-Sankt-Peterburg.jpg 915w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Elena-Rimskaya-g.-Sankt-Peterburg-800x858.jpg 800w, https:\/\/drago-met.ru\/wp-content\/uploads\/2021\/04\/Elena-Rimskaya-g.-Sankt-Peterburg-373x400.jpg 373w\" sizes=\"(max-width: 915px) 100vw, 915px\" \/><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\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p><em>When I buy gold jewelry, I throw it on the counter (I don't force it, I do it casually). I can tell the difference between gold and brass by the sound. If you look closely, you can see the difference in color. I do not usually rely on this method, because it is unreliable. Brass alloy has a different composition, which causes the color to change. I have not studied samples of all sorts of such items. Only an expert can say for sure if this or that item is gold jewelry by its color alone. I have already found an effective way, and so far I am satisfied with the results.<\/em><\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0412 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0445 \u043b\u0435\u0442 \u043d\u0430\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f \u0442\u0435\u043d\u0434\u0435\u043d\u0446\u0438\u044f \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u044f \u043e\u0431\u044a\u0435\u043c\u043e\u0432 \u0434\u043e\u0431\u044b\u0447\u0438 \u0437\u043e\u043b\u043e\u0442\u043e\u043d\u043e\u0441\u043d\u043e\u0439 \u043f\u043e\u0440\u043e\u0434\u044b. \u041d\u043e \u043f\u043e\u043a\u0430 \u044d\u0442\u043e \u043d\u0435 \u0432\u043b\u0438\u044f\u0435\u0442 \u043d\u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u044e\u0432\u0435\u043b\u0438\u0440\u043d\u044b\u0445 \u043c\u0430\u0433\u0430\u0437\u0438\u043d\u043e\u0432. \u041e\u0434\u043d\u0430 \u0438\u0437 \u043f\u0440\u0438\u0447\u0438\u043d \u0442\u0430\u043a\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0440\u0435\u0447\u0438\u044f \u2013 \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u044e\u0432\u0435\u043b\u0438\u0440\u043d\u044b\u0445 \u0438\u0437\u0434\u0435\u043b\u0438\u0439 \u0441 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u043d\u044b\u043c \u0441\u043e\u0441\u0442\u0430\u0432\u043e\u043c. \u0427\u0442\u043e\u0431\u044b \u043d\u0435 \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u0442\u044c\u0441\u044f \u0441 \u043d\u0435\u0434\u043e\u0431\u0440\u043e\u0441\u043e\u0432\u0435\u0441\u0442\u043d\u044b\u043c \u043f\u0440\u043e\u0434\u0430\u0432\u0446\u043e\u043c, \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0443\u0437\u043d\u0430\u0442\u044c, \u043a\u0430\u043a \u043e\u0442\u043b\u0438\u0447\u0438\u0442\u044c \u043b\u0430\u0442\u0443\u043d\u044c \u043e\u0442 \u0437\u043e\u043b\u043e\u0442\u0430 \u0432 \u0434\u043e\u043c\u0430\u0448\u043d\u0438\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445. \u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u043d\u0435\u043f\u0440\u0438\u044f\u0442\u043d\u043e\u0441\u0442\u0435\u0439, \u0430 \u0437\u0430\u043e\u0434\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9554,"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":[304],"tags":[],"class_list":["post-9539","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-kak-proverit"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0422\u041e\u041f-10 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 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