{"product_id":"nitric-acid-67-lab-grade","title":"Nitric Acid 67% Lab Grade","description":"\u003ch2 style=\"text-align: center;\" class=\"OutlineElement Ltr SCXW82984758 BCX8\"\u003eNitric Acid 67%\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"OutlineElement Ltr SCXW82984758 BCX8\"\u003eLaboratory \/ Technical Grade\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e*Excellent for gold refining\u003c\/p\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW82984758 BCX8\"\u003e\n\u003cp class=\"Paragraph SCXW82984758 BCX8\"\u003eNitric Acid 67% (42° Baumé) (HNO3) is a highly corrosive mineral acid widely used in various industrial application.  It is a clear to pale yellow in color and is a strong oxidizing agent known for its corrosive properties.  It is commonly used in chemical manufacturing, metal processing, and as a laboratory reagent. \u003ca rel=\"noopener\" title=\"Nitric Acid SDS\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/8814\/2451\/files\/Nitric_Acid_SDS_c2c66a8b-e4fc-4a4c-9173-eac9c4441ad8.pdf?v=1750954584\" target=\"_blank\"\u003e\u003cspan data-ccp-props=\"{}\" class=\"EOP SCXW82984758 BCX8\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph SCXW82984758 BCX8\"\u003eNitric Acid plays a key role in refining gold, particularly in methods like aqua regia refining and in parting processes.   Urban mining and pcb board gold recovery commonly uses nitric acid to dissolve gold.  *Ships in Level 4 Fluorinated Polyethylene Bottles, 55g ships in HDPE blue drum. \u003c\/p\u003e\n\u003cstrong\u003eAccompanying products you may need: \u003c\/strong\u003e\u003ca title=\"Sodium Metabisulfite\" href=\"https:\/\/shopbvv.com\/products\/sodium-metabisulfate?_pos=1\u0026amp;_psq=sodium\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSodium Metabisulfite\u003c\/a\u003e \u003ca href=\"https:\/\/shopbvv.com\/products\/hydrochloric-acid-37-acs-reagent-grade?_pos=1\u0026amp;_psq=hydroch\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"Hydrochloric Acid\"\u003eHydrochloric Acid 37%\u003c\/a\u003e \u003ca href=\"https:\/\/shopbvv.com\/products\/sulfuric-acid-93-pc-grade\" title=\"Sulfuric Acid 93%\"\u003eSulfuric Acid 93%\u003c\/a\u003e or alternative to sulfuric acid \u003ca href=\"https:\/\/shopbvv.com\/products\/phosphoric-acid-75\" title=\"Phosphoric Acid 75%\"\u003ePhosphoric Acid 75%\u003c\/a\u003e \u0026amp; optional \u003ca href=\"https:\/\/shopbvv.com\/products\/urea?_pos=1\u0026amp;_sid=52dc33b9d\u0026amp;_ss=r\" title=\"Urea for Aqua Regia\"\u003eUrea 46%\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW82984758 BCX8\"\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eAqua Regia Gold Refining Process (Most Common Use)\u003c\/strong\u003e\u003cbr\u003eAqua regia is a mixture of nitric acid (HNO₃) and \u003ca href=\"https:\/\/shopbvv.com\/products\/hydrochloric-acid-37-acs-reagent-grade\"\u003ehydrochloric \u003c\/a\u003eacid (HCl) in a 1:3 ratio. This combination dissolves gold, which neither acid can do alone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStep-by-step Overview:\u003c\/strong\u003e\u003cbr\u003ePreparation of Aqua Regia:\u003c\/p\u003e\n\u003cp\u003eMix 1 part nitric acid with 3 parts hydrochloric acid.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDissolution\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003eAdd impure gold to the aqua regia.\u003c\/p\u003e\n\u003cp\u003eNitric acid oxidizes the gold to gold ions (Au³⁺).\u003c\/p\u003e\n\u003cp\u003eHydrochloric acid provides chloride ions (Cl⁻) to form chloroauric acid (HAuCl₄), which is soluble.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFiltration\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003eFilter the solution to remove impurities and undissolved metals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecipitation\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003eAdd a reducing agent like sodium metabisulfite (Na₂S₂O₅) to the solution.\u003c\/p\u003e\n\u003cp\u003eThis causes pure gold to precipitate out of solution as fine particles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWashing \u0026amp; Melting:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWash the gold powder, dry it, and melt it to form pure gold bars or granules.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW82984758 BCX8\"\u003e\n\u003cp class=\"Paragraph SCXW82984758 BCX8\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 663.954px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 23px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 23px;\"\u003eChemical Formula:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 23px;\"\u003e\n\u003cspan\u003eHNO\u003c\/span\u003e\u003csub\u003e3\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eMolecular Weight:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003e63.013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eCAS Registry Number:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003e7697-37-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eAppearance\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003eColorless to faint yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eOdor:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003eAcrid \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.25px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 39.25px;\"\u003eDensity\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 39.25px;\"\u003e\n\u003cp\u003e\u0026gt; 1.4078@ 25 °C \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eBoiling Point:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003e\u003cspan\u003e 248 'F 67.2% HNO3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 35.5938px;\"\u003eSolubility in water:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 35.5938px;\"\u003e\n\u003cp\u003eCompletely Soluble\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 96.766px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 96.766px;\"\u003eGHS Pictograms:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 96.766px;\"\u003e\n\u003cdiv class=\"captioned inline-block\" data-caption=\"Oxidizer\"\u003e\n\u003cimg src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/images\/ghs\/GHS03.svg\" width=\"60\" height=\"60\" class=\"icon\" alt=\"Oxidizer\"\u003e\u003cimg src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/images\/ghs\/GHS05.svg\" width=\"62\" height=\"62\" class=\"icon\" alt=\"Corrosive\"\u003e\u003cimg src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/images\/ghs\/GHS06.svg\" width=\"61\" height=\"61\" class=\"icon\" alt=\"Acute Toxic\"\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eGHS Signal Word:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003e\u003cspan\u003eDanger\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eGHS Hazard Statements:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003eH272, H314, H330\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 127.047px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 127.047px;\"\u003eGHS Precautionary Statements\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 127.047px;\"\u003e\u003cspan\u003eP210, P220, P260, P264, P271, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P363, P370+P378, P403+P233, P405, and P501\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eUN Identification Number:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003e2031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eProper Shipping Name:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003eNitric Acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003eTransport Hazard Class:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003e5.1, 8 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 19.6094px;\"\u003ePacking Group:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 19.6094px;\"\u003eII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 126.594px;\"\u003e\n\u003ctd style=\"width: 62.0939%; height: 126.594px;\"\u003eDOT Placard:\u003c\/td\u003e\n\u003ctd style=\"width: 37.5451%; height: 126.594px;\"\u003e\n\u003cp\u003e\u003cimg height=\"97\" width=\"98\" src=\"https:\/\/encrypted-tbn2.gstatic.com\/shopping?q=tbn:ANd9GcQKWhTi_3z5IROuebonfCyvYKKcx7LYREY6cWtpyhSC9dagWnJ-dqgEyaiOAINjbi8tC1rG87eJEqblBshcYnSifpeAwxwyBIutP7EFJMR6\"\u003e\u003cimg\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/www.hazchemsafety.com\/wp-content\/uploads\/2020\/09\/HD1810-UN-Hazard-Warning-Diamond-Class-8-Corrosive.jpg\" alt=\"UN Hazard Warning Diamond Class 8 Corrosive Substances\" width=\"106\" height=\"106\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph SCXW82984758 BCX8\"\u003e\u003ca rel=\"noopener\" title=\"Nitric Acid SDS\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/8814\/2451\/files\/Nitric_Acid_SDS_c2c66a8b-e4fc-4a4c-9173-eac9c4441ad8.pdf?v=1750954584\" target=\"_blank\"\u003e\u003cspan data-ccp-props=\"{}\" class=\"EOP SCXW82984758 BCX8\"\u003e Nitric Acid 67% Lab\/Tech Grade Safety Data Sheet (SDS)\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph SCXW82984758 BCX8\"\u003e\u003ca rel=\"noopener\" title=\"Nitric Acid Certificate of Analysis COA\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/8814\/2451\/files\/Nitric_Acid_0001158997_54c1e0a3-149f-4364-b32a-bb9b6426098f.pdf?v=1750954595\" target=\"_blank\"\u003e\u003cspan data-ccp-props=\"{}\" class=\"EOP SCXW82984758 BCX8\"\u003e Nitric Acid 67% Lab\/Tech Grade\u003c\/span\u003e Certificate of Analysis (COA)\u003c\/a\u003e\u003c\/p\u003e","brand":"BVV","offers":[{"title":"Quart","offer_id":51602248401216,"sku":"NAL67-1QT","price":38.0,"currency_code":"USD","in_stock":true},{"title":"4x Quarts (1 gal) *No Hazmat Shipping Fee","offer_id":51602248433984,"sku":"NAL67-1QTX4","price":81.0,"currency_code":"USD","in_stock":true},{"title":"1 Gallon","offer_id":51602248466752,"sku":"NAL67-1G","price":81.0,"currency_code":"USD","in_stock":true},{"title":"5 Gallon","offer_id":51602248499520,"sku":"NAL67-5G","price":305.0,"currency_code":"USD","in_stock":true},{"title":"55 Gallon Drum","offer_id":51602248532288,"sku":"NAL67-55G","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/7335\/3536\/files\/NitricAcidGROUP.jpg?v=1772988744","url":"https:\/\/growtime.shop\/products\/nitric-acid-67-lab-grade","provider":"Grow Time Garden Supply","version":"1.0","type":"link"}