{"product_id":"gte-2x2-small-premium-black-scratch-touchstone-for-acid-gold-silver-platinum-jewelry-testing","title":"GTE 2''x2'' Small Premium Black Scratch Touchstone for Acid Gold Silver Platinum Jewelry Testing","description":"\u003cp data-start=\"176\" data-end=\"498\"\u003eThe \u003cstrong data-start=\"180\" data-end=\"217\"\u003eGTE Premium Testing Scratch Stone\u003c\/strong\u003e is an essential tool used to determine the \u003cstrong data-start=\"261\" data-end=\"318\"\u003epurity and authenticity of gold, silver, and platinum\u003c\/strong\u003e when used with testing acids. This durable touchstone allows you to create a visible metal streak that reacts with testing solutions, helping you quickly evaluate precious metals.\u003c\/p\u003e\n\u003cp data-start=\"500\" data-end=\"662\"\u003eCompact, reliable, and easy to use, this testing stone is widely used by \u003cstrong data-start=\"573\" data-end=\"634\"\u003ejewelers, pawn shops, refiners, and precious metal buyers\u003c\/strong\u003e for everyday metal testing.\u003c\/p\u003e\n\u003chr data-start=\"664\" data-end=\"667\"\u003e\n\u003ch2 data-section-id=\"1u6rqjl\" data-start=\"669\" data-end=\"688\"\u003eProduct Includes\u003c\/h2\u003e\n\u003cp data-start=\"690\" data-end=\"794\"\u003e• \u003cstrong data-start=\"692\" data-end=\"734\"\u003eGTE Premium 2\" × 2\" Scratch Test Stone\u003c\/strong\u003e\u003cbr data-start=\"734\" data-end=\"737\"\u003e• Rubber backing for \u003cstrong data-start=\"758\" data-end=\"794\"\u003estable, non-slip desktop testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"796\" data-end=\"828\"\u003e\u003cem data-start=\"796\" data-end=\"828\"\u003eTesting acids sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"peqbl9\" data-start=\"835\" data-end=\"848\"\u003eHow to Use\u003c\/h2\u003e\n\u003col data-start=\"850\" data-end=\"1201\"\u003e\n\u003cli data-section-id=\"6p6gei\" data-start=\"850\" data-end=\"975\"\u003e\n\u003cstrong data-start=\"853\" data-end=\"873\"\u003eScratch the item\u003c\/strong\u003e you want to test across the surface of the stone, leaving a visible metal streak about 1 inch long.\u003c\/li\u003e\n\u003cli data-section-id=\"yd2ym8\" data-start=\"976\" data-end=\"1093\"\u003e\n\u003cstrong data-start=\"979\" data-end=\"1011\"\u003eApply a drop of testing acid\u003c\/strong\u003e to the streak using the solution that corresponds to the metal you are testing.\u003c\/li\u003e\n\u003cli data-section-id=\"md1eur\" data-start=\"1094\" data-end=\"1201\"\u003e\n\u003cstrong data-start=\"1097\" data-end=\"1121\"\u003eObserve the reaction\u003c\/strong\u003e and compare the results using your testing chart to determine the metal purity.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-start=\"1203\" data-end=\"1206\"\u003e\n\u003ch2 data-section-id=\"1mdh819\" data-start=\"1208\" data-end=\"1228\"\u003eIdeal For Testing\u003c\/h2\u003e\n\u003cp data-start=\"1230\" data-end=\"1332\"\u003e• Gold jewelry\u003cbr data-start=\"1244\" data-end=\"1247\"\u003e• Silver jewelry\u003cbr data-start=\"1263\" data-end=\"1266\"\u003e• Platinum jewelry\u003cbr data-start=\"1284\" data-end=\"1287\"\u003e• Coins and bullion\u003cbr data-start=\"1306\" data-end=\"1309\"\u003e• Scrap precious metals\u003c\/p\u003e\n\u003chr data-start=\"1334\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1339\" data-end=\"1433\"\u003eA \u003cstrong data-start=\"1341\" data-end=\"1433\"\u003emust-have testing tool for anyone who buys, sells, refines, or collects precious metals.\u003c\/strong\u003e\u003c\/p\u003e","brand":"GOLD TESTING EQUIPMENT","offers":[{"title":"Default Title","offer_id":45591451992108,"sku":"2x2 stone","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0954\/5772\/files\/2x2teststone_a2800032-a2be-450a-a209-5724a01a94c1.jpg?v=1780422625","url":"https:\/\/smartsupplydeals.com\/products\/gte-2x2-small-premium-black-scratch-touchstone-for-acid-gold-silver-platinum-jewelry-testing","provider":"Smart supply deals","version":"1.0","type":"link"}