{"product_id":"silica-standard-solution-1-mg-l-as-sio2-nist-500-ml-poly-bottle-hach-110649","title":"Silica Standard Solution, 1 mg\/L as SiO2 (NIST), 500 mL Poly Bottle, HACH, 110649","description":"\u003cp\u003e\u003cstrong\u003eHACH® Silica Standard Solution, 1 mg\/L as SiO\u003csub\u003e2\u003c\/sub\u003e (NIST), 500 mL Poly Bottle, 110649\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance:  clear, colorless aqueous solution\u003c\/li\u003e\n\u003cli\u003eCAS Nos.: \u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eWater:  7732-18-5\u003c\/li\u003e\n\u003cli\u003ePropanoic Acid:  79-09-4\u003c\/li\u003e\n\u003cli\u003eSodium Fluoride:  7681-49-4\u003c\/li\u003e\n\u003cli\u003eHydrofluoric Acid:  7664-39-3\u003c\/li\u003e\n\u003cli\u003eSilica, Amorphous:  7631-86-9\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003epH:  3.4 @ 20 °C\u003c\/li\u003e\n\u003cli\u003eMelting\/Freezing Point:  0 °C \/ 32 °F\u003c\/li\u003e\n\u003cli\u003eBoiling Point\/Range:  95 °C \/ 203 °F\u003c\/li\u003e\n\u003cli\u003eEvaporation Rate:  0.95 (water = 1)\u003c\/li\u003e\n\u003cli\u003eVapor Pressure:  17.477 mm Hg \/ 2.33 kPa at 20 °C \/ 68 °F\u003c\/li\u003e\n\u003cli\u003eVapor Density:  0.62\u003c\/li\u003e\n\u003cli\u003eSpecific Gravity\/Density:  0.995 g\/cm\u003csup\u003e3\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eDynamic Viscosity:  1 cP (mPa s) at 20 °C \/ 68 °F\u003c\/li\u003e\n\u003cli\u003eKinematic Viscosity:   1.005 cSt (mm2\/s) at 20 °C \/ 68 °F\u003c\/li\u003e\n\u003cli\u003eSolubility:  in water, \u0026gt; 1000 mg\/L;  acid, \u0026gt; 1000 mg\/L; most polar organic solvents, \u0026gt; 1000 mg\/L; aqueous, alkaline solutions, \u0026gt; 1000 mg\/L\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HACH","offers":[{"title":"EA (1)","offer_id":51111559332155,"sku":"HAH-110649-EA","price":51.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/HAH-110649.png?v=1784719009","url":"https:\/\/preiser.com\/products\/silica-standard-solution-1-mg-l-as-sio2-nist-500-ml-poly-bottle-hach-110649","provider":"Preiser Scientific","version":"1.0","type":"link"}