{"product_id":"gold-refining-test-kit-stannous-chloride-gold-precipitant-smb-scrap-metals-2","title":"Gold Refining Test Kit Stannous Chloride Gold Precipitant SMB Scrap Metals","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eGold Refining Test Kit for Effective Gold Recovery\u003c\/h2\u003e\n\u003cp\u003eVerify dissolved gold in your refining solution and recover it with confidence using this Gold Refining Verification Kit. This bundle includes two essential chemicals used during the final stages of the gold refining process: stannous chloride for testing and sodium metabisulfite (SMB) for gold precipitation.\u003c\/p\u003e\n\u003cp\u003eThis kit is designed for refiners working with aqua regia gold refining, scrap gold recovery, and electronic waste refining, where confirming dissolved gold before precipitation is critical.\u003c\/p\u003e\n\u003cp\u003eWhat’s Included\u003c\/p\u003e\n\u003cp\u003eJSP 1\/2 oz Stannous Chloride Gold Testing Solution\u003c\/p\u003e\n\u003cp\u003eStannous chloride is used by refiners to test aqua regia and gold chloride solutions for the presence of dissolved gold. A small drop of solution is tested to confirm gold is present before moving to the precipitation stage.\u003c\/p\u003e\n\u003cp\u003e1 lb Sodium Metabisulfite (SMB) – GTE Gold Precipitant\u003c\/p\u003e\n\u003cp\u003eSodium Metabisulfite is one of the most commonly used chemicals for precipitating gold from aqua regia solutions. When added to a prepared refining solution, SMB releases sulfur dioxide which selectively causes dissolved gold to fall out of solution as fine gold powder.\u003c\/p\u003e\n\u003cp\u003eHow This Kit Is Used\u003c\/p\u003e\n\u003cp\u003eDuring the gold refining process:\u003c\/p\u003e\n\u003cp\u003eScrap gold is dissolved into solution using aqua regia.\u003c\/p\u003e\n\u003cp\u003eStannous chloride is used to confirm the presence of dissolved gold in the solution.\u003c\/p\u003e\n\u003cp\u003eOnce confirmed, sodium metabisulfite (SMB) is added to precipitate the gold from solution.\u003c\/p\u003e\n\u003cp\u003eThe gold settles as a fine powder which can be filtered, washed, dried, and melted.\u003c\/p\u003e\n\u003cp\u003eThis process is widely used for refining gold from:\u003c\/p\u003e\n\u003cp\u003e• scrap jewelry\u003c\/p\u003e\n\u003cp\u003e• gold-plated electronics\u003c\/p\u003e\n\u003cp\u003e• e-waste materials\u003c\/p\u003e\n\u003cp\u003e• gold alloys and scrap metals\u003c\/p\u003e\n\u003cp\u003eIdeal For\u003c\/p\u003e\n\u003cp\u003e• Aqua regia gold refining\u003c\/p\u003e\n\u003cp\u003e• Scrap gold recovery\u003c\/p\u003e\n\u003cp\u003e• E-waste gold refining\u003c\/p\u003e\n\u003cp\u003e• Precious metal recyclers\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 chemicals\u003c\/p\u003e\n\u003cp\u003e• Used in standard aqua regia refining methods\u003c\/p\u003e\n\u003cp\u003e• Instructions included with general guidance on the testing and precipitation process\u003c\/p\u003e\n\u003ch3\u003ePrecision and Efficiency in Gold Refining\u003c\/h3\u003e\n\u003cp\u003eThe Gold Refining Test Kit provides a reliable and efficient solution for precise gold recovery. Designed specifically for refining gold from SMB scrap metals, this kit uses stannous chloride as the primary gold precipitant. It allows metallurgists, jewelers, and refiners to accurately test and recover gold in a controlled and straightforward process. The kit combines simplicity with precision, making it suitable for both small-scale and professional operations seeking to maximize their gold yield without unnecessary chemical waste or complexity.\u003c\/p\u003e\n\u003ch3\u003eHow Stannous Chloride Enhances the Gold Precipitation Process\u003c\/h3\u003e\n\u003cp\u003eStannous chloride is an essential chemical in the gold refining process, playing a key role as a gold precipitant. When mixed with an appropriate solution, it effectively reduces dissolved gold ions back into solid gold particles, allowing for easy separation and recovery. This chemical reacts efficiently with gold-bearing solutions from SMB scrap metals, enabling refiners to achieve high purity and recovery rates. The Gold Refining Test Kit includes precisely measured stannous chloride to optimize the precipitation process, enhancing the quality and consistency of the finished product.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Kit Designed for Scrap Metal Applications\u003c\/h3\u003e\n\u003cp\u003eThis Gold Refining Test Kit is tailored for scrap metal applications, particularly focusing on SMB (Small and Medium-sized Businesses) scrap metals. It includes all necessary reagents and instructions to handle a variety of gold-bearing materials, ensuring adaptability and effective refining outcomes. The kit supports sustainable metal recycling by enabling users to extract gold from scrap metals with minimal environmental impact. Its compact design and easy-to-follow procedures make it an essential tool for anyone involved in precious metals recovery from scrap sources.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"GTE","offers":[{"title":"Default Title","offer_id":47239809433749,"sku":"stannous \u0026 1lb GTE gold precipitant","price":24.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0464\/5414\/5173\/files\/57_c0a32305-ccd7-4a3e-8913-42c1eab4d028.png?v=1775696616","url":"https:\/\/www.goldandsilvertesting.com\/products\/gold-refining-test-kit-stannous-chloride-gold-precipitant-smb-scrap-metals-2","provider":"GOLD TESTING EQUIPMENT","version":"1.0","type":"link"}