{"product_id":"buffer-powder-pillows-color-coded-yellow-ph-7-00-0-02-at-25-degrees-c-250-pk-2227064","title":"Buffer Powder Pillows, Color-coded Yellow, pH 7.00 +\/- 0.02,  at 25 degrees C, 250\/PK, 2227064","description":"\u003cp\u003e\u003cstrong\u003eHACH® Buffer Powder Pillows, \u003c\/strong\u003e\u003cstrong\u003eColor-coded Yellow,\u003c\/strong\u003e\u003cstrong\u003e pH 7.00 +\/- 0.02,  at 25 degrees C, 250\/PK, 2227064\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 solutions for laboratory and field analyses\u003c\/li\u003e\n\u003cli\u003epH Buffer Powder Pillows for pH electrode calibration\u003c\/li\u003e\n\u003cli\u003eEach powder pillow prepares 50 mL of fresh buffer solution\u003c\/li\u003e\n\u003cli\u003eColor-coded for easy identification (Yellow)\u003c\/li\u003e\n\u003cli\u003epH is 7.00 ±0.02 at 25°C\u003c\/li\u003e\n\u003cli\u003eAppearance: light yellow powder\u003c\/li\u003e\n\u003cli\u003eCAS Nos.:  \u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphoric Acid, Disodium Salt:  7558-79-4\u003c\/li\u003e\n\u003cli\u003e2,4-Dinitrophenol:  51-28-5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003epH: 7.0 (15.8% solution)\u003c\/li\u003e\n\u003cli\u003eMelting\/Freezing Point: ~ 160 °C \/ 320 °F\u003c\/li\u003e\n\u003cli\u003eSpecific Gravity\/Density: 2.40 g\/mL\u003c\/li\u003e\n\u003cli\u003ePartition Coefficient:  log Kow ~ 0\u003c\/li\u003e\n\u003cli\u003eSoil Organic Carbon\/Water Partition Coefficient:  log Kow ~ 0\u003c\/li\u003e\n\u003cli\u003eSolubility: \u0026gt;1000 mg\/L water at 25 °C \/ 77 °F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HACH","offers":[{"title":"PK (1)","offer_id":51111563624763,"sku":"HAH-22270-64-PK","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/HAH-22270-64.png?v=1784719188","url":"https:\/\/preiser.com\/products\/buffer-powder-pillows-color-coded-yellow-ph-7-00-0-02-at-25-degrees-c-250-pk-2227064","provider":"Preiser Scientific","version":"1.0","type":"link"}