{"product_id":"nitric-acid-64-6-lab-grade","title":"Nitric Acid 64.6% Lab Grade","description":"\u003ch2 style=\"text-align: center;\" class=\"OutlineElement Ltr SCXW82984758 BCX8\"\u003e Nitric Acid 64.6%\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 64.6% (41° 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. This 64.6% Acid is in the high concentration range its slightly less azeotropic than \u003ca href=\"https:\/\/shopbvv.com\/products\/nitric-acid-67\"\u003e67% Nitric Acid\u003c\/a\u003e which means it fumes less because the water and acid are not at the maximum boiling point. They are extremely close but the slightly small amount of extra water. You can achieve the reaction you are looking for it will fume less and take a little bit more time.  Another note is that our \u003ca href=\"https:\/\/shopbvv.com\/products\/sulfuric-acid-93-pc-grade?_pos=1\u0026amp;_sid=1e00b305a\u0026amp;_ss=r\"\u003esulfuric acid 93%\u003c\/a\u003e can be used with nitric acid\/water mixtures to help shift the azeotropic point to make highly concentrated fuming nitric acid.\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\u003cp class=\"Paragraph SCXW82984758 BCX8\"\u003e\u003cstrong\u003eAccompanying products you may need: \u003c\/strong\u003e\u003ca href=\"https:\/\/shopbvv.com\/products\/sodium-metabisulfate?_pos=1\u0026amp;_psq=sodium\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"Sodium Metabisulfite\"\u003eSodium Metabisulfite\u003c\/a\u003e \u003ca title=\"Hydrochloric Acid\" href=\"https:\/\/shopbvv.com\/products\/hydrochloric-acid-37-acs-reagent-grade?_pos=1\u0026amp;_psq=hydroch\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eHydrochloric Acid 37%\u003c\/a\u003e \u003ca title=\"Sulfuric Acid 93%\" href=\"https:\/\/shopbvv.com\/products\/sulfuric-acid-93-pc-grade\"\u003eSulfuric Acid 93%\u003c\/a\u003e or alternative to sulfuric acid \u003ca title=\"Phosphoric Acid 75%\" href=\"https:\/\/shopbvv.com\/products\/phosphoric-acid-75\"\u003ePhosphoric Acid 75%\u003c\/a\u003e \u0026amp; optional \u003ca title=\"Urea for Aqua Regia\" href=\"https:\/\/shopbvv.com\/products\/urea?_pos=1\u0026amp;_sid=52dc33b9d\u0026amp;_ss=r\"\u003eUrea 46%\u003c\/a\u003e\u003c\/p\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\u003e\u003ca href=\"https:\/\/shopbvv.com\/products\/hydrochloric-acid-37-acs-reagent-grade\"\u003eHydrochloric acid \u003c\/a\u003eprovides 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 \u003ca href=\"https:\/\/shopbvv.com\/products\/sodium-metabisulfate\"\u003emetabisulfite \u003c\/a\u003e(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: 577.891px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 23px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 23px;\"\u003eChemical Formula:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; 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: 61.9134%; height: 19.6094px;\"\u003eMolecular Weight:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003e63.013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003eCAS Registry Number:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003e7697-37-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003eAppearance\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; 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: 61.9134%; height: 19.6094px;\"\u003eOdor:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003eAcrid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.25px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 39.25px;\"\u003eDensity\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; 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: 61.9134%; height: 19.6094px;\"\u003eBoiling Point:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003e\u003cspan\u003e248 'F 67.2% HNO3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003eSolubility in water:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003eCompletely Soluble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 82.5938px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 82.5938px;\"\u003eGHS Pictograms:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 82.5938px;\"\u003e\u003cspan\u003e  \u003cimg alt=\"Oxidizer\" class=\"icon\" height=\"60\" width=\"60\" src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/images\/ghs\/GHS03.svg\"\u003e\u003cimg alt=\"Corrosive\" class=\"icon\" height=\"62\" width=\"62\" src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/images\/ghs\/GHS05.svg\"\u003e\u003cimg alt=\"Acute Toxic\" class=\"icon\" height=\"61\" width=\"61\" src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/images\/ghs\/GHS06.svg\"\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003eGHS Signal Word:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003eDanger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003eGHS Hazard Statements:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003eH272, H314, H330\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 127.047px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 127.047px;\"\u003eGHS Precautionary Statements\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; 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: 61.9134%; height: 19.6094px;\"\u003eUN Identification Number:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003e2031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003eProper Shipping Name:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003eNitric Acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003eTransport Hazard Class:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003e5.1, 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6094px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 19.6094px;\"\u003ePacking Group:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 19.6094px;\"\u003eII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 70.6875px;\"\u003e\n\u003ctd style=\"width: 61.9134%; height: 70.6875px;\"\u003eDOT Placard:\u003c\/td\u003e\n\u003ctd style=\"width: 37.7256%; height: 70.6875px;\"\u003e\n\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\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 64% Lab\/Tech Grade Safety Data Sheet (SDS)\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph SCXW82984758 BCX8\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/8814\/2451\/files\/Nitric_Acid_64_1218991_5186e23a-2397-4e3a-bb1c-7126ba51e571.pdf?v=1758135402\" title=\"Nitric Acid Certificate of Analysis COA\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan data-ccp-props=\"{}\" class=\"EOP SCXW82984758 BCX8\"\u003e Nitric Acid 64% Lab\/Tech Grade\u003c\/span\u003e Certificate of Analysis (COA)\u003c\/a\u003e\u003c\/p\u003e","brand":"BVV","offers":[{"title":"1 Quart","offer_id":51602214912320,"sku":"NAL64-1QT","price":35.0,"currency_code":"USD","in_stock":true},{"title":"4 Quart (No Hazmat Fee)","offer_id":51602214945088,"sku":"NAL64-1QTX4","price":70.0,"currency_code":"USD","in_stock":true},{"title":"1 Gallon","offer_id":51602214977856,"sku":"NAL64-1G","price":70.0,"currency_code":"USD","in_stock":true},{"title":"5 Gallons","offer_id":51602215010624,"sku":"NAL64-5G","price":250.0,"currency_code":"USD","in_stock":true},{"title":"55 Gallons","offer_id":51602215043392,"sku":"NAL64-55G","price":1275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/7335\/3536\/files\/NitricAcid64_GroupPhoto.jpg?v=1772988717","url":"https:\/\/growtime.shop\/products\/nitric-acid-64-6-lab-grade","provider":"Grow Time Garden Supply","version":"1.0","type":"link"}