{"product_id":"manganese-dioxide-powder","title":"Manganese Dioxide Powder (300 Mesh) | High-Purity Oxidizing Agent for Gold \u0026 Silver Refining","description":"\u003cp data-start=\"367\" data-end=\"696\"\u003e\u003cstrong data-start=\"367\" data-end=\"395\"\u003eManganese Dioxide (MnO₂)\u003c\/strong\u003e is an essential oxidizing compound used in \u003cstrong data-start=\"439\" data-end=\"500\"\u003eprecious metal refining, smelting, and recovery processes\u003c\/strong\u003e. This fine 300-mesh powder is a high-purity industrial-grade reagent designed for consistent performance in \u003cstrong data-start=\"609\" data-end=\"693\"\u003egold and silver precipitation, flux preparation, and chemical refining reactions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"698\" data-end=\"986\"\u003eIn refining, Manganese Dioxide acts as a \u003cstrong data-start=\"739\" data-end=\"760\"\u003epowerful oxidizer\u003c\/strong\u003e, helping to break down base metals, remove impurities, and assist in converting dissolved precious metals back into solid form. It also serves as a \u003cstrong data-start=\"909\" data-end=\"937\"\u003ecatalyst and decolorizer\u003c\/strong\u003e, improving clarity and purity during recovery.\u003c\/p\u003e\n\u003chr data-start=\"988\" data-end=\"991\"\u003e\n\u003ch4 data-start=\"993\" data-end=\"1027\"\u003e\u003cstrong data-start=\"998\" data-end=\"1027\"\u003eKey Benefits for Refiners\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1030\" data-end=\"1124\"\u003e\u003cstrong data-start=\"1030\" data-end=\"1067\"\u003eHigh-Purity Industrial Grade MnO₂\u003c\/strong\u003e – ideal for refining, smelting, and metal purification\u003c\/p\u003e\n\u003cp data-start=\"1127\" data-end=\"1213\"\u003e\u003cstrong data-start=\"1127\" data-end=\"1164\"\u003eConsistent Fine Powder (300 Mesh)\u003c\/strong\u003e – mixes evenly with other chemicals and fluxes\u003c\/p\u003e\n\u003cp data-start=\"1216\" data-end=\"1310\"\u003e\u003cstrong data-start=\"1216\" data-end=\"1235\"\u003eOxidizing Agent\u003c\/strong\u003e – assists in breaking down base metals and precipitating gold and silver\u003c\/p\u003e\n\u003cp data-start=\"1313\" data-end=\"1408\"\u003e\u003cstrong data-start=\"1313\" data-end=\"1339\"\u003eCatalyst and Scavenger\u003c\/strong\u003e – removes unwanted elements and color impurities in refining baths\u003c\/p\u003e\n\u003cp data-start=\"1411\" data-end=\"1507\"\u003e\u003cstrong data-start=\"1411\" data-end=\"1428\"\u003eVersatile Use\u003c\/strong\u003e – compatible with aqua regia, nitric-based, and alternative refining systems\u003c\/p\u003e\n\u003chr data-start=\"1509\" data-end=\"1512\"\u003e\n\u003ch4 data-start=\"1514\" data-end=\"1551\"\u003e\u003cstrong data-start=\"1519\" data-end=\"1551\"\u003eCommon Refining Applications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1554\" data-end=\"1606\"\u003eGold and silver \u003cstrong data-start=\"1570\" data-end=\"1604\"\u003eprecipitation and purification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1609\" data-end=\"1669\"\u003e\u003cstrong data-start=\"1609\" data-end=\"1627\"\u003eFlux component\u003c\/strong\u003e in high-temperature smelting operations\u003c\/p\u003e\n\u003cp data-start=\"1672\" data-end=\"1730\"\u003e\u003cstrong data-start=\"1672\" data-end=\"1684\"\u003eOxidizer\u003c\/strong\u003e for removing trace impurities from solution\u003c\/p\u003e\n\u003cp data-start=\"1733\" data-end=\"1788\"\u003e\u003cstrong data-start=\"1733\" data-end=\"1745\"\u003eCatalyst\u003c\/strong\u003e in chemical reactions for metal recovery\u003c\/p\u003e\n\u003cp data-start=\"1791\" data-end=\"1857\"\u003e\u003cstrong data-start=\"1791\" data-end=\"1820\"\u003eDecolorizer and scavenger\u003c\/strong\u003e in refining baths and electrolytes\u003c\/p\u003e\n\u003chr data-start=\"1859\" data-end=\"1862\"\u003e\n\u003ch4 data-start=\"1864\" data-end=\"1888\"\u003e\u003cstrong data-start=\"1869\" data-end=\"1888\"\u003eProduct Details\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"1891\" data-end=\"1929\"\u003e\u003cstrong data-start=\"1891\" data-end=\"1909\"\u003eChemical Name:\u003c\/strong\u003e Manganese Dioxide\u003c\/p\u003e\n\u003cp data-start=\"1932\" data-end=\"1951\"\u003e\u003cstrong data-start=\"1932\" data-end=\"1944\"\u003eFormula:\u003c\/strong\u003e MnO₂\u003c\/p\u003e\n\u003cp data-start=\"1954\" data-end=\"1981\"\u003e\u003cstrong data-start=\"1954\" data-end=\"1969\"\u003eCAS Number:\u003c\/strong\u003e 1313-13-9\u003c\/p\u003e\n\u003cp data-start=\"1984\" data-end=\"2018\"\u003e\u003cstrong data-start=\"1984\" data-end=\"1998\"\u003eMesh Size:\u003c\/strong\u003e 300 (fine powder)\u003c\/p\u003e\n\u003cp data-start=\"2021\" data-end=\"2047\"\u003e\u003cstrong data-start=\"2021\" data-end=\"2032\"\u003eWeight:\u003c\/strong\u003e 4 oz or 8 oz\u003c\/p\u003e\n\u003cp data-start=\"2050\" data-end=\"2074\"\u003e\u003cstrong data-start=\"2050\" data-end=\"2059\"\u003eForm:\u003c\/strong\u003e Black powder\u003c\/p\u003e\n\u003cp data-start=\"2077\" data-end=\"2127\"\u003e\u003cstrong data-start=\"2077\" data-end=\"2091\"\u003ePackaging:\u003c\/strong\u003e Moisture-resistant resealable bag\u003c\/p\u003e\n\u003cp data-start=\"2130\" data-end=\"2158\"\u003e\u003cstrong data-start=\"2130\" data-end=\"2152\"\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/p\u003e\n\u003chr data-start=\"2160\" data-end=\"2163\"\u003e\n\u003ch4 data-start=\"2165\" data-end=\"2189\"\u003e\u003cstrong data-start=\"2170\" data-end=\"2189\"\u003eAdditional Uses\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"2190\" data-end=\"2362\"\u003eWhile primarily valued in precious metal refining, MnO₂ also has wide applications in \u003cstrong data-start=\"2276\" data-end=\"2361\"\u003eceramic glazes, pigments, batteries, laboratory catalysts, and water purification\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2364\" data-end=\"2367\"\u003e\n\u003ch4 data-start=\"2369\" data-end=\"2389\"\u003e\u003cstrong data-start=\"2374\" data-end=\"2389\"\u003eSafety Note\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"2390\" data-end=\"2532\"\u003eFor professional and industrial use only. Avoid inhalation and skin contact. Use in a well-ventilated area with appropriate protective gear.\u003c\/p\u003e","brand":"JSP®","offers":[{"title":"4 oz","offer_id":47235934421141,"sku":"Manganese Dioxide Powder – 4 oz-1","price":14.97,"currency_code":"USD","in_stock":true},{"title":"8 oz","offer_id":47235934453909,"sku":"Manganese Dioxide Powder – 4 oz-2","price":14.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0464\/5414\/5173\/files\/fd9ae903-9756-4325-a360-c7c49d4d91a2.png?v=1775681751","url":"https:\/\/www.goldandsilvertesting.com\/products\/manganese-dioxide-powder","provider":"GOLD TESTING EQUIPMENT","version":"1.0","type":"link"}