{"product_id":"gold-precipitation-kit-2lb-sodium-metabisulfite-smb-gold-refining-recovery","title":"Gold Precipitation Kit 2lb Sodium Metabisulfite SMB Gold Refining Recovery","description":"\u003cp\u003e2 lb Sodium Metabisulfite (SMB) – Gold Precipitant for Gold Refining\u003c\/p\u003e\u003cp\u003eRecover dissolved gold efficiently with this 2 lb Sodium Metabisulfite (SMB) Gold Precipitant, commonly used during the aqua regia gold refining process. Sodium Metabisulfite is one of the most widely used chemicals for precipitating dissolved gold from refining solutions.\u003c\/p\u003e\u003cp\u003eWhen added to a prepared refining solution, sodium metabisulfite releases sulfur dioxide which causes dissolved gold to fall out of solution as fine gold powder. The recovered gold can then be filtered, washed, dried, and melted into refined metal.\u003c\/p\u003e\u003cp\u003eThis larger quantity is ideal for refiners processing scrap jewelry, electronic waste, and other gold-bearing materials.\u003c\/p\u003e\u003cp\u003eProduct Details\u003c\/p\u003e\u003cp\u003e2 lb Sodium Metabisulfite (SMB) – GTE Gold Precipitant\u003c\/p\u003e\u003cp\u003e• Used to precipitate dissolved gold from aqua regia and gold chloride solutions\u003c\/p\u003e\u003cp\u003e• Commonly used in gold refining and precious metal recovery\u003c\/p\u003e\u003cp\u003e• Ideal for scrap gold refining and e-waste recovery\u003c\/p\u003e\u003cp\u003e• Packaged for convenient use in refining applications\u003c\/p\u003e\u003cp\u003eCommon Applications\u003c\/p\u003e\u003cp\u003e• scrap gold refining\u003c\/p\u003e\u003cp\u003e• electronic waste gold recovery\u003c\/p\u003e\u003cp\u003e• aqua regia refining processes\u003c\/p\u003e\u003cp\u003e• precious metal recycling\u003c\/p\u003e\u003cp\u003e• hobby and professional gold refining\u003c\/p\u003e\u003cp\u003eHow It Is Used\u003c\/p\u003e\u003cp\u003eDuring the gold refining process:\u003c\/p\u003e\u003cp\u003eGold is dissolved into solution using refining methods such as aqua regia.\u003c\/p\u003e\u003cp\u003eThe solution is prepared and neutralized as needed.\u003c\/p\u003e\u003cp\u003eSodium Metabisulfite (SMB) is added to precipitate dissolved gold from solution.\u003c\/p\u003e\u003cp\u003eThe gold settles as a fine powder which can be filtered and melted into refined gold.\u003c\/p\u003e\u003cp\u003eAdditional Information\u003c\/p\u003e\u003cp\u003e• Fresh refining chemical\u003c\/p\u003e\u003cp\u003e• Suitable for common gold recovery methods\u003c\/p\u003e\u003cp\u003e• Used by refiners, jewelers, and precious metal recyclers\u003c\/p\u003e","brand":"GTE","offers":[{"title":"Default Title","offer_id":47229197320341,"sku":"2lb GTE Gold precipitant","price":19.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0464\/5414\/5173\/files\/57_b556748d-04cf-4484-91bb-347e1f625dd6.png?v=1775682987","url":"https:\/\/www.goldandsilvertesting.com\/products\/gold-precipitation-kit-2lb-sodium-metabisulfite-smb-gold-refining-recovery","provider":"GOLD TESTING EQUIPMENT","version":"1.0","type":"link"}