{"product_id":"gold-precipitation-kit-sodium-metabisulfite-smb-urea-gold-refining-stannous-2","title":"Gold Precipitation Kit Sodium Metabisulfite SMB Urea Gold Refining Stannous","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eComprehensive Overview of the Gold Precipitation Kit\u003c\/h2\u003e\n\u003cp\u003eGold Precipitation \u0026amp; Testing Kit – SMB Gold Precipitant + Urea + Stannous Chloride\u003c\/p\u003e\n\u003cp\u003eComplete the final stages of the gold refining process with this Gold Precipitation \u0026amp; Testing Kit. This bundle includes the essential chemicals used to neutralize excess nitric acid, verify dissolved gold in solution, and precipitate gold from aqua regia.\u003c\/p\u003e\n\u003cp\u003eDesigned for refiners working with scrap gold, jewelry, electronics, and e-waste, this kit provides the core chemicals used during the gold recovery stage.\u003c\/p\u003e\n\u003cp\u003eWhat’s Included\u003c\/p\u003e\n\u003cp\u003e1 lb Sodium Metabisulfite (SMB) – GTE Gold Precipitant\u003c\/p\u003e\n\u003cp\u003eSodium Metabisulfite is commonly used to precipitate dissolved gold from aqua regia and gold chloride solutions. When mixed with water, it releases sulfur dioxide which selectively causes gold to fall out of solution as fine gold powder.\u003c\/p\u003e\n\u003cp\u003e1 lb JSP Urea - Nitric Neutralizer\u003c\/p\u003e\n\u003cp\u003eUrea is used to neutralize excess nitric remaining in aqua regia before precipitation. Proper neutralization helps ensure efficient gold recovery when SMB is added.\u003c\/p\u003e\n\u003cp\u003eStannous Chloride JSP Gold Testing Solution\u003c\/p\u003e\n\u003cp\u003eStannous chloride is used to test refining solutions for dissolved gold. A small drop placed on a testing surface will react with the solution to confirm the presence of gold before precipitation.\u003c\/p\u003e\n\u003cp\u003eHow the Process Works\u003c\/p\u003e\n\u003cp\u003eDuring the aqua regia refining process:\u003c\/p\u003e\n\u003cp\u003eScrap gold is dissolved into solution.\u003c\/p\u003e\n\u003cp\u003eStannous chloride is used to confirm gold is present in the solution.\u003c\/p\u003e\n\u003cp\u003eUrea neutralizes excess nitric.\u003c\/p\u003e\n\u003cp\u003eSodium Metabisulfite (SMB) is added to precipitate gold from the solution.\u003c\/p\u003e\n\u003cp\u003eThe gold settles as a fine powder which can then be filtered, washed, dried, and melted into refined gold.\u003c\/p\u003e\n\u003cp\u003eIdeal For\u003c\/p\u003e\n\u003cp\u003e• Scrap gold refining\u003c\/p\u003e\n\u003cp\u003e• E-waste gold recovery\u003c\/p\u003e\n\u003cp\u003e• Aqua regia refining\u003c\/p\u003e\n\u003cp\u003e• Precious metal recycling\u003c\/p\u003e\n\u003cp\u003e• Hobbyist and professional refiners\u003c\/p\u003e\n\u003cp\u003eAdditional Information\u003c\/p\u003e\n\u003cp\u003e• Fresh refining solutions\u003c\/p\u003e\n\u003ch3\u003eKey Components of the Gold Precipitation Kit\u003c\/h3\u003e\n\u003cp\u003eThe Gold Precipitation Kit comes equipped with essential reagents such as sodium metabisulfite (SMB), urea, and stannous chloride, designed specifically for efficient gold refining. Sodium metabisulfite acts as a powerful reducing agent to facilitate gold precipitation from solution, while urea neutralizes residual nitric acid to optimize the refining environment. Stannous chloride enhances the purity of the recovered gold. Together, these components create a balanced and effective kit, ensuring a high yield of refined gold suitable for industrial or hobbyist use.\u003c\/p\u003e\n\u003ch3\u003eHow the Gold Precipitation Kit Works in Gold Refining\u003c\/h3\u003e\n\u003cp\u003eThe Gold Precipitation Kit simplifies the process of separating gold from aqua regia solutions by chemically reducing dissolved gold ions. When added to a gold-bearing solution, sodium metabisulfite triggers precipitation, turning the gold into a solid form. Urea is then applied to safely neutralize excess acids that can damage equipment or lower final purity. Stannous chloride is used to remove impurities, resulting in highly refined and pure gold. This process is efficient, cost-effective, and environmentally considerate for gold recovery.\u003c\/p\u003e\n\u003ch3\u003eAdvantages of Using This Gold Precipitation Kit\u003c\/h3\u003e\n\u003cp\u003eUtilizing the Gold Precipitation Kit offers numerous benefits including consistent, high-purity gold recovery, ease of use, and chemical stability. The carefully balanced formulation reduces processing time and waste while maximizing yield. Its components are packaged for safe handling and long shelf life, making it ideal for both small-scale refiners and larger operations. Additionally, the kit supports environmentally responsible refining by minimizing hazardous byproducts and simplifying waste management, thereby contributing to safer and more sustainable gold recovery practices.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GTE","offers":[{"title":"Default Title","offer_id":47239809466517,"sku":"1lb JSP aqua regia \u0026 1lb GTE gold precip \u0026stannous","price":28.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0464\/5414\/5173\/files\/57_85d456db-67eb-4f4d-b088-01567e416777.png?v=1775696616","url":"https:\/\/www.goldandsilvertesting.com\/products\/gold-precipitation-kit-sodium-metabisulfite-smb-urea-gold-refining-stannous-2","provider":"GOLD TESTING EQUIPMENT","version":"1.0","type":"link"}