{"product_id":"buffer-solution-ph-4-01-color-coded-red-4-l-poly-bottle-hach-2283456","title":"Buffer Solution, pH 4.01, Color-coded Red, 4 L Poly Bottle, HACH, 2283456","description":"\u003cp\u003e\u003cstrong\u003eHACH® Buffer Solution, pH 4.01, Color-coded Red, 4 L Poly Bottle, 2283456\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003epH Buffer Standard Solution for pH electrode calibration. Color-coded pH Buffer solution for easy identification\u003c\/li\u003e\n\u003cli\u003eAppearance: clear, red liquid\u003c\/li\u003e\n\u003cli\u003eCAS Nos.:\n\u003cul\u003e\n\u003cli\u003eWater:  7732-18-5\u003c\/li\u003e\n\u003cli\u003eFormaldehyde:  50-00-0\u003c\/li\u003e\n\u003cli\u003eMethanol:  67-56-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003epH:  4.01\u003c\/li\u003e\n\u003cli\u003eMelting\/Freezing Point:  ~ 0 °C \/ 32 °F\u003c\/li\u003e\n\u003cli\u003eBoiling Point\/Range:  ~ 100 °C \/ 212 °F\u003c\/li\u003e\n\u003cli\u003eEvaporation Rate:  0.99 (water = 1)\u003c\/li\u003e\n\u003cli\u003eVapor Pressure:  17.027 mm Hg \/ 2.27 kPa at 20 °C \/ 68 °F\u003c\/li\u003e\n\u003cli\u003eRelative Vapor Density:  0.62\u003c\/li\u003e\n\u003cli\u003eSpecific Gravity\/Density:  1.002 g\/mL\u003c\/li\u003e\n\u003cli\u003eDynamic Viscosity:  ~ 1 cP (mPa s) at 20 °C \/ 68 °F\u003c\/li\u003e\n\u003cli\u003eKinematic Viscosity:  ~ 0.998 cSt (mm2\/s) at 20 °C \/ 68 °F\u003c\/li\u003e\n\u003cli\u003eSolubility in Water:  \u0026gt;10000 mg\/L at 25 °C \/ 77 °F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 85%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor coded?\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription\u003c\/td\u003e\n\u003ctd\u003epH Buffer Calibration reagent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNIST Traceable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eBottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Value(s)\u003c\/td\u003e\n\u003ctd\u003e4.01 ±0.02 pH at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e4 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Remarks\u003c\/td\u003e\n\u003ctd\u003eObserved shelf-life after opening, following recommended storage and use: 6 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Conditions\u003c\/td\u003e\n\u003ctd\u003e10 - 25 °C (protect from light)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HACH","offers":[{"title":"EA (1)","offer_id":51110740853051,"sku":"21-2099-40-EA","price":78.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/21-2099-40.png?v=1785295897","url":"https:\/\/preiser.com\/products\/buffer-solution-ph-4-01-color-coded-red-4-l-poly-bottle-hach-2283456","provider":"Preiser Scientific","version":"1.0","type":"link"}