{"product_id":"gold-precipitation-kit-sodium-metabisulfite-smb-urea-gold-refining-stannous","title":"Beginner Gold Refining Kit | Complete Aqua Regia Gold Recovery System","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eComprehensive Guide to 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\u003eWhat is a Gold Precipitation Kit?\u003c\/h3\u003e\n\u003cp\u003eThe Gold Precipitation Kit is an essential tool for anyone involved in gold refining and recovery. It typically includes chemicals like sodium metabisulfite (SMB), urea, and stannous solutions, which are used to separate and precipitate gold from cyanide or other solutions. This kit simplifies the refining process, making it more efficient and reliable. By using this kit, metalworkers and hobbyists can reclaim gold with high purity, ensuring minimal loss during extraction. The kit is easy to use and ideal for refining gold in various scales, from small-scale operations to industrial use.\u003c\/p\u003e\n\u003ch3\u003eKey Components and Their Functions\u003c\/h3\u003e\n\u003cp\u003eThis Gold Precipitation Kit contains sodium metabisulfite, urea, and stannous chloride, each serving a critical purpose. Sodium metabisulfite acts as the primary reducing agent, precipitating gold by converting gold ions in solution to solid metallic gold. Urea is included to neutralize any residual cyanide present after the precipitation step, ensuring safer handling and disposal of waste. Stannous chloride can further enhance the precipitation process, improving recovery rates. Together, these components provide a complete, safe, and effective method to refine gold with minimal environmental impact.\u003c\/p\u003e\n\u003ch3\u003eBenefits of Using the Gold Precipitation Kit\u003c\/h3\u003e\n\u003cp\u003eUsing this Gold Precipitation Kit ensures a faster, cleaner, and more predictable gold recovery process. Its precisely formulated chemicals promote high gold yield and purity while reducing impurities and contaminants. Additionally, the kit allows for easier waste management by neutralizing toxic substances commonly found in gold refining solutions. Whether you are a professional refiner or a hobbyist, this kit offers a reliable way to recover precious metals efficiently. It saves time and effort, lowers operational risks, and supports environmentally responsible refining practices, making it a valuable addition to any gold extraction setup.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GTE","offers":[{"title":"Default Title","offer_id":47229197090965,"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_ee14e738-0460-4723-809e-d27ef8265eea.png?v=1775682861","url":"https:\/\/www.goldandsilvertesting.com\/products\/gold-precipitation-kit-sodium-metabisulfite-smb-urea-gold-refining-stannous","provider":"GOLD TESTING EQUIPMENT","version":"1.0","type":"link"}