{"product_id":"professional-gold-silver-platinum-testing-kit","title":"Professional Gold, Silver \u0026 Platinum Testing Kit – 10K\/14K\/18K\/22K Acid Test Set","description":"\u003ch3\u003eThe Complete Precious Metal Testing Kit\u003c\/h3\u003e\n\u003cp\u003eProfessional-grade acid testing kit trusted by jewelers, pawn shops, coin dealers, and precious metal buyers. Authenticate 10K–22K gold, sterling and fine silver, and platinum in seconds — with no damage to jewelry, coins, or bars.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrueAssay 10K Gold Testing Solution\u003c\/li\u003e\n\u003cli\u003eTrueAssay 14K Gold Testing Solution\u003c\/li\u003e\n\u003cli\u003eTrueAssay 18K Gold Testing Solution\u003c\/li\u003e\n\u003cli\u003eTrueAssay 22K Gold Testing Solution\u003c\/li\u003e\n\u003cli\u003eTrueAssay Silver Testing Solution (.925\/.999)\u003c\/li\u003e\n\u003cli\u003eTrueAssay Platinum Testing Solution\u003c\/li\u003e\n\u003cli\u003e2x4 Black Testing Stone\u003c\/li\u003e\n\u003cli\u003eDetailed illustrated instruction booklet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBottle Sizes \u0026amp; Approx. Drop Counts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmall — 30–40 drops\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMedium — 300–400 drops\u003c\/li\u003e\n\u003cli\u003eLarge — 400–550 drops\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Test Gold\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRub your item on the testing stone to leave a visible gold streak.\u003c\/li\u003e\n\u003cli\u003eApply a single drop of the karat solution directly onto the streak.\u003c\/li\u003e\n\u003cli\u003eIf the streak remains, your item is that karat or higher. If it fades, it's lower.\u003c\/li\u003e\n\u003cli\u003eWork up through 10K → 14K → 18K → 22K to pinpoint the karat.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eHow to Read Silver Results\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright red\u003c\/strong\u003e = .999 fine silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark red\u003c\/strong\u003e = .925 sterling silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrown\u003c\/strong\u003e = .800 silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen\u003c\/strong\u003e = .500 silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Read Platinum Results\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreak unaffected\u003c\/strong\u003e = platinum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreak turns red\u003c\/strong\u003e = most likely palladium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreak dissolves \/ changes color\u003c\/strong\u003e = not platinum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho This Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJewelers and jewelry repair shops\u003c\/li\u003e\n\u003cli\u003ePawn shops and precious metal buyers\u003c\/li\u003e\n\u003cli\u003eCoin and bullion dealers\u003c\/li\u003e\n\u003cli\u003eResellers sourcing from estate sales, thrift, and auctions\u003c\/li\u003e\n\u003cli\u003eSerious collectors and private buyers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy TrueAssay\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshly mixed in the USA\u003c\/strong\u003e — potent, reliable reactions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEverything in one kit\u003c\/strong\u003e — solutions, stone, and instructions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-coded caps\u003c\/strong\u003e — grab the right solution every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted by thousands\u003c\/strong\u003e of Amazon and Shopify buyers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWill this damage my jewelry?\u003c\/strong\u003e\u003cbr\u003eNo. Testing happens on the stone, not on your item.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work on plated items?\u003c\/strong\u003e\u003cbr\u003eSurface tests can read plating as solid metal. For suspected plated items, file a small notch to expose the base metal and test that streak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I store it?\u003c\/strong\u003e\u003cbr\u003eKeep bottles tightly capped, upright, in a cool, dark place away from children and pets.\u003c\/p\u003e\n\u003ch3\u003eSafety First\u003c\/h3\u003e\n\u003cp\u003eThese solutions contain strong acids. Wear gloves and eye protection, work in a ventilated area, and keep away from children and pets. In case of skin contact, rinse immediately with plenty of water. See the included SDS for full handling details.\u003c\/p\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eAcid testing is a screening method. For high-value items, confirm results with XRF analysis or a certified assay.\u003c\/p\u003e","brand":"TrueAssay","offers":[{"title":"Small","offer_id":53200818766192,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":53200779084144,"sku":"A0+TS3","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":53351320224112,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/7098\/8144\/files\/LINEUP_LARGE_SLAB.png?v=1775231835","url":"https:\/\/trueassay.com\/products\/professional-gold-silver-platinum-testing-kit","provider":"True Assay","version":"1.0","type":"link"}