{"title":"Gold, Silver \u0026 Platinum Testing Kit Bundles","description":"\u003cp\u003eSave with True Assay's precious metal testing kit bundles. Each set pairs everything you need to test and authenticate gold, silver, and platinum at home or in your shop, including acid testing solutions, a scratch test stone, and an acid neutralizer. Test 10K, 14K, 18K, 20K, and 22K gold, .925\/.999 silver, and platinum quickly and accurately. Ideal for jewelers, pawn shops, resellers, and collectors who need fast, reliable metal authentication. Buy a complete testing kit bundle and skip the guesswork.\u003c\/p\u003e","products":[{"product_id":"22k-gold-925-999-silver-jewelry-test-solutions-bullion-bar-acid-tester-kit","title":"Platinum \u0026 Silver Testing Solutions","description":"\u003cp\u003e\u003cstrong\u003eWHAT'S INCLUDED:\u003c\/strong\u003e\u003cbr\u003e• True Assay Platinum Testing Solution\u003cbr\u003e• True Assay Silver Testing Solution\u003c\/p\u003e\n\u003cp\u003ePRODUCT DETAILS \u0026amp; USAGE:\u003c\/p\u003e\n\u003cp\u003ePlatinum Testing Solution:\u003cbr\u003eSimply rub your item on our test stone then apply a drop of the solution onto the Platinum streak left on the stone and if the streak is unaffected, your material must be Platinum.\u003c\/p\u003e\n\u003cp\u003eSilver Testing Solution:\u003cbr\u003eSimply rub your item on our test stone then apply a drop of the solution onto the silver streak left on the stone. Results are as follows: Bright red = .999 fine Silver. Dark red = .925 sterling silver. Brown = .800 silver. Green = .500 Silver.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e(Testing stone not included)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-end=\"1605\" data-start=\"1523\"\u003eEach bottle provides dozens to hundreds of tests depending on the bottle size.\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-end=\"1196\" data-start=\"830\"\u003e\u003cstrong data-end=\"850\" data-start=\"830\"\u003eImportant Notice\u003c\/strong\u003e\u003cbr data-end=\"853\" data-start=\"850\"\u003eTrue Assay testing solutions provide indicative results to assist in identifying precious metals. Results may vary depending on material composition, surface preparation, and testing conditions. This product is intended as a screening tool and should not be used as the sole method for determining the value or authenticity of precious metals.\u003c\/p\u003e\n\u003cp data-end=\"1391\" data-start=\"1369\"\u003e\u003cstrong data-end=\"1391\" data-start=\"1369\"\u003eSafety Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1569\" data-start=\"1393\"\u003e• For testing purposes only\u003cbr data-end=\"1423\" data-start=\"1420\"\u003e• Use in a well-ventilated area\u003cbr data-end=\"1457\" data-start=\"1454\"\u003e• Avoid contact with skin and eyes\u003cbr data-end=\"1494\" data-start=\"1491\"\u003e• Keep away from children\u003cbr data-end=\"1522\" data-start=\"1519\"\u003e• Follow all instructions included with the kit\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":52688144728432,"sku":"A7+A9","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/7098\/8144\/files\/SILVER_PLAT.png?v=1774491359"},{"product_id":"gold-silver-testing-solutions-set-10k-22k","title":"10K, 14K, 18K \u0026 22K Gold + .925\/.999 Silver Testing Solutions Set","description":"\u003ch3\u003eThe Complete Gold \u0026amp; Silver Testing Bundle\u003c\/h3\u003e\n\u003cp\u003eEverything you need to test both gold and silver in one set. Verify 10K, 14K, 18K, and 22K gold plus .925 sterling and .999 fine silver with a single drop on a testing stone. Fast, accurate, professional-grade results — no damage to your pieces.\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 (.925\/.999) Testing Solution\u003c\/li\u003e\n\u003cli\u003eFreshly mixed, US-made, tamper-evident bottles\u003c\/li\u003e\n\u003cli\u003eTesting stone sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Test Gold\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRub your item firmly on a testing stone to leave a visible gold streak.\u003c\/li\u003e\n\u003cli\u003eApply a single drop of the karat solution 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\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\u003ePrivate buyers verifying inherited or online-purchased pieces\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\u003eLeak-resistant dropper bottles\u003c\/strong\u003e — controlled single-drop application\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. You only test a small streak on a stone — your item itself is not altered.\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 many tests per bottle?\u003c\/strong\u003e\u003cbr\u003eApproximately 400 tests per bottle when using single drops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a testing stone included?\u003c\/strong\u003e\u003cbr\u003eNo — pair this set with our TrueAssay testing stone for best results.\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":"Default Title","offer_id":52688145940848,"sku":"A2+A4+A5+A7+A9","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/7098\/8144\/files\/5_LINEUP.png?v=1774494064"},{"product_id":"10k-14k-18k-22k-gold-jewelry-test-solutions-acid-coin-bullion-bar-tester-kit","title":"Gold Testing Solutions Set – 10K\/14K\/18K\/22K","description":"\u003cp\u003eVerify gold karat with confidence using the TrueAssay Gold Testing Solutions Set. This 4-bottle bundle covers 10K, 14K, 18K, and 22K gold — the most common jewelry karats — so you can quickly identify fine gold from plated or counterfeit pieces. Trusted by jewelers, pawn shops, refiners, and resellers.\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\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTesting stone sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRub your gold item firmly on a testing stone to leave a visible streak.\u003c\/li\u003e\n\u003cli\u003eStart with the 10K solution and apply one drop to the streak. If it holds, move up to 14K, then 18K, then 22K.\u003c\/li\u003e\n\u003cli\u003eYour gold's karat matches the highest solution the streak survives.\u003c\/li\u003e\n\u003cli\u003eRinse the stone with water and wipe clean between tests.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBottle Sizes \u0026amp; Test Counts\u003c\/h3\u003e\n\u003cp\u003eApproximately 400 tests per bottle when using single drops.\u003c\/p\u003e\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJewelers and bench technicians\u003c\/li\u003e\n\u003cli\u003ePawn shops and gold buyers\u003c\/li\u003e\n\u003cli\u003eRefiners and scrap dealers\u003c\/li\u003e\n\u003cli\u003eResellers, flippers, and collectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy TrueAssay\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA with professional-grade reagents\u003c\/li\u003e\n\u003cli\u003eConsistent, reliable reactions across all karats\u003c\/li\u003e\n\u003cli\u003eTamper-evident packaging for safe shipping\u003c\/li\u003e\n\u003cli\u003eSDS available on request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit include a testing stone?\u003c\/strong\u003e\u003cbr\u003eNo — testing stones are sold separately in our store.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I buy refills separately?\u003c\/strong\u003e\u003cbr\u003eYes — all individual TrueAssay solutions are available in our shop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many tests per bottle?\u003c\/strong\u003e\u003cbr\u003eApproximately 400 tests per bottle using single drops.\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":"Default Title","offer_id":52688146006384,"sku":"A2+A4+A5+A7","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/7098\/8144\/files\/trueassay_bundle_gold_4.png?v=1774493756"},{"product_id":"10k-14k-18k-gold-test-solutions-acid-tester-kit-for-jewely-bars-coins-scrap","title":"Gold Testing Solutions Set – 10K\/14K\/18K","description":"\u003ch3\u003eAccurate Gold Testing at Home or On the Bench\u003c\/h3\u003e\n\u003cp\u003eTrueAssay Gold Testing Solutions let you verify 10K, 14K, and 18K gold in seconds. Whether you're a jeweler, pawnbroker, coin dealer, reseller, or DIY buyer, this 3-bottle set gives you the confidence to buy, sell, and trade gold without guesswork.\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\u003eApprox. 400 tests per bottle\u003c\/li\u003e\n\u003cli\u003eFreshly mixed, US-made, tamper-evident bottles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Test Gold (Step-by-Step)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRub your item firmly on a 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\u003eWatch the reaction: if the streak stays, your item is that karat or higher. If it fades or disappears, it's lower.\u003c\/li\u003e\n\u003cli\u003eWork up through 10K → 14K → 18K to pinpoint the karat.\u003c\/li\u003e\n\u003cli\u003eWipe the stone clean with water and a cloth between tests.\u003c\/li\u003e\n\u003c\/ol\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 gold 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\u003ePrivate buyers verifying inherited or online-purchased pieces\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\u003eLeak-resistant dropper bottles\u003c\/strong\u003e — controlled single-drop application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear labeling\u003c\/strong\u003e — color-coded caps so you never grab the wrong karat\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 gold?\u003c\/strong\u003e\u003cbr\u003eNo. You only test a small streak on a stone — your item itself is not altered.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work on plated jewelry?\u003c\/strong\u003e\u003cbr\u003eSurface tests can read plating as solid gold. 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 many tests do I get per bottle?\u003c\/strong\u003e\u003cbr\u003eApproximately 400 tests per bottle when using single drops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I store it?\u003c\/strong\u003e\u003cbr\u003eKeep tightly capped, upright, in a cool, dark place away from children and pets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you sell a testing stone?\u003c\/strong\u003e\u003cbr\u003eYes — pair this set with our TrueAssay testing stone for best results.\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":"Economy","offer_id":53696818282864,"sku":"A2+A4+A5","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Small","offer_id":53696818315632,"sku":"A2+A4+A6","price":14.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":53696818348400,"sku":"A2+A4+A7","price":16.99,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":53696818381168,"sku":"A2+A4+A8","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/7098\/8144\/files\/10k_14k_18k_clean_tight.png?v=1774493397"},{"product_id":"high-karat-gold-testing-kit-18k-20k-22k","title":"High-Karat Gold Testing Kit – 18K\/20K\/22K with Stone \u0026 Acid Neutralizer","description":"\u003ch3\u003eThe High-Karat Gold Testing Kit\u003c\/h3\u003e\n\u003cp\u003ePurpose-built for buyers who handle high-karat gold. Pinpoint 18K, 20K, and 22K gold with precision and neutralize acid residue between tests for consistently clean, accurate results. Perfect for coin dealers, bullion buyers, and jewelers working with fine gold.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrueAssay 18K Gold Testing Solution\u003c\/li\u003e\n\u003cli\u003eTrueAssay 20K Gold Testing Solution\u003c\/li\u003e\n\u003cli\u003eTrueAssay 22K Gold Testing Solution\u003c\/li\u003e\n\u003cli\u003eTrueAssay Acid Neutralizer Solution\u003c\/li\u003e\n\u003cli\u003e2x4 Black Testing Stone with non-slip backing\u003c\/li\u003e\n\u003cli\u003eFreshly mixed, US-made, tamper-evident bottles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Test High-Karat 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 stays, your item is that karat or higher.\u003c\/li\u003e\n\u003cli\u003eWork up through 18K → 20K → 22K to pinpoint the exact karat.\u003c\/li\u003e\n\u003cli\u003eApply acid neutralizer, then rinse and dry the stone before the next test.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhy the Acid Neutralizer Matters\u003c\/h3\u003e\n\u003cp\u003eLeftover acid on your stone can skew results and corrode your workspace. TrueAssay's neutralizer instantly stops the reaction, keeps your stone ready for the next test, and makes cleanup safer.\u003c\/p\u003e\n\u003ch3\u003eWho This Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCoin and bullion dealers handling fine gold\u003c\/li\u003e\n\u003cli\u003eJewelers specializing in 18K+ pieces\u003c\/li\u003e\n\u003cli\u003ePawn shops and precious metal buyers\u003c\/li\u003e\n\u003cli\u003eResellers sourcing imported or high-karat gold\u003c\/li\u003e\n\u003cli\u003eCollectors verifying investment-grade pieces\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\u003eComplete high-karat coverage\u003c\/strong\u003e — 18K, 20K, and 22K in one kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcid neutralizer included\u003c\/strong\u003e — safer cleanup, more accurate repeat tests\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 gold?\u003c\/strong\u003e\u003cbr\u003eNo. Testing happens on the stone, not on your item.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I use the neutralizer?\u003c\/strong\u003e\u003cbr\u003eAfter reading the test, apply a drop of neutralizer to the stone to stop the acid reaction. Then rinse with water and wipe clean.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many tests per bottle?\u003c\/strong\u003e\u003cbr\u003eApproximately 400 tests per bottle when using single drops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I buy refills separately?\u003c\/strong\u003e\u003cbr\u003eYes — individual TrueAssay solutions and neutralizer are available in our store.\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":"Default Title","offer_id":53549479625072,"sku":"A2+A4+A5","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/7098\/8144\/files\/2022ACID.png?v=1775759112"},{"product_id":"silver-14k-gold-testing-kit-stone-neutralizer","title":"Silver \u0026 14K Gold Testing Kit with Acid Neutralizer \u0026 3x6 Stone","description":"\u003cdiv data-renderer=\"lm\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"everything-you-need-to-test-silver--14k--in-one-ki\"\u003eEverything You Need to Test Silver \u0026amp; 14K — In One Kit\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe TrueAssay Silver \u0026amp; 14K Gold Testing Kit with Stone and Neutralizer has everything you need to authenticate silver and 14K gold in seconds. Distinguish common silver purities and confirm 14K gold with a single drop on the included testing stone, then safely neutralize acids when you’re done. Reusable, reliable, and safe for your jewelry.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"whats-included\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTrueAssay Silver (.925\/.999) Testing Solution\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTrueAssay 14K Gold Testing Solution\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e3x6 black testing stone with non-slip backing\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAcid neutralizer to safely deactivate test acids on the stone and tools\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFreshly mixed, US-made, tamper-evident bottles.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"how-to-read-the-results\"\u003eHow to Read the Results\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRub your item on the testing stone to leave a clear metal streak, then apply one drop of the appropriate solution (silver or 14K gold):\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFor \u003cstrong\u003esilver\u003c\/strong\u003e: Use the silver solution and read the reaction using your silver color and fading guide (fine, sterling, lower-grade, or not silver).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFor \u003cstrong\u003e14K gold\u003c\/strong\u003e: Use the 14K solution and watch how the streak reacts compared to a known 14K sample to confirm or rule out 14K.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWeak, fast-fading, or off-color reactions can indicate lower purity, plating, or base metal.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWhen you are finished, apply the neutralizer to the tested area on the stone to safely deactivate any remaining acid before rinsing.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"about-the-testing-stone\"\u003eAbout the Testing Stone\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOur larger 3x6 black testing stone shows streaks clearly from gold, silver, and platinum. It’s washable and reusable for thousands of tests. The soft non-slip backing keeps it in place and protects your work surface.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"who-this-is-for\"\u003eWho This Is For\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eJewelers and jewelry repair shops\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePawn shops and precious metal buyers\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCoin and bullion dealers\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eResellers sourcing from estate sales, thrift, and auctions\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePrivate buyers verifying inherited or online-purchased silver and 14K gold\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"why-trueassay\"\u003eWhy TrueAssay\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFreshly\u003c\/strong\u003e mixed in the USA — potent, reliable reactions\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSolution + stone + neutralizer combo — ready to test out of the box\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClear visual reactions — easy-to-read results for silver and 14K gold\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTrusted by thousands of Amazon and Shopify buyers\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"frequently-asked-questions\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill this damage my jewelry?\u003c\/strong\u003e\u003cbr\u003eNo. Testing happens on the stone, not directly on your item.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\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.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow do I clean the testing stone?\u003c\/strong\u003e\u003cbr\u003eAfter neutralizing any remaining acid with the neutralizer, rinse with water and wipe with a cloth between tests. The stone is reusable thousands of times.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"True Assay · Products · Add product · Shopify\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eHow many tests per bottle?\u003c\/strong\u003e\u003cbr\u003eApproximately 400 tests per bottle when using single drops. \u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"safety-first\"\u003eSafety First\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\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\u003chr class=\"bg-quiet h-px border-0\"\u003e\n\u003c\/div\u003e","brand":"TrueAssay","offers":[{"title":"Default Title","offer_id":53749247541616,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/7098\/8144\/files\/1.png?v=1778775728"}],"url":"https:\/\/trueassay.com\/collections\/gold-silver-platinum-testing-kit-bundles.oembed","provider":"True Assay","version":"1.0","type":"link"}