{"product_id":"sodium-tungstate-dihydrate-acs-reagent-grade-500-g-gfs-chemicals-69702","title":"Sodium Tungstate Dihydrate, ACS Reagent Grade, 500 g, GFS Chemicals, 69702","description":"\u003cp\u003e\u003cstrong\u003eGFS Chemicals® Sodium Tungstate Dihydrate, ACS Reagent Grade, 500 g, GFS Chemicals, 69702\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures: \u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAppearance: white crystalline powder\u003c\/li\u003e \u003cli\u003eCAS Nos.: 7783-03-1\u003c\/li\u003e \u003cli\u003eFormula: Na\u003csub\u003e2\u003c\/sub\u003eWO\u003csub\u003e4\u003c\/sub\u003e·2H\u003csub\u003e2\u003c\/sub\u003eO\u003c\/li\u003e \u003cli\u003eMolecular Weight: 329.86 g\/mol\u003c\/li\u003e \u003cli\u003epH:  9.5 (5% solution in water)\u003c\/li\u003e \u003cli\u003eSolubility in Water: soluble\u003c\/li\u003e \u003cli\u003eMelting Point\/Freezing Point: 212 °F (100 °C) (loses water)1288.4 °F (698 °C) (anhydrous)\u003c\/li\u003e \u003cli\u003eDensity\/Specific Gravity:  4.179 g\/cm\u003csup\u003e3\u003c\/sup\u003e estimated\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003ctable style=\"width:\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eAssay\u003c\/td\u003e \u003ctd\u003e99.0 to 101.0 %\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eInsoluble\u003c\/td\u003e \u003ctd\u003e0.01 % maximum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTitrable free base\u003c\/td\u003e \u003ctd\u003e0.02 meq\/g\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eChloride\u003c\/td\u003e \u003ctd\u003e0.005 % maximum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSulfate\u003c\/td\u003e \u003ctd\u003e0.01 % maximum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMolybdenum\u003c\/td\u003e \u003ctd\u003e0.001 % maximum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeavy metals and Iron (as Pb)\u003c\/td\u003e \u003ctd\u003e0.001 % maximum\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"GFS Chemicals","offers":[{"title":"BT (1)","offer_id":51111549468987,"sku":"GFS-707-09-BT","price":280.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/GFS-707-09_010624a8-053f-4bf1-b4fa-20532b85a41f.png?v=1784718790","url":"https:\/\/preiser.com\/products\/sodium-tungstate-dihydrate-acs-reagent-grade-500-g-gfs-chemicals-69702","provider":"Preiser Scientific","version":"1.0","type":"link"}