{"product_id":"6-44-g-l-ppt-tds-calibration-solution-25-x-20-ml-hanna-instruments-hi70038p","title":"6.44 g\/L (ppt) TDS Calibration Solution, 25 x 20 mL, Hanna Instruments, HI70038P","description":"\u003cp\u003e\u003cstrong\u003eHanna Instruments® 6.44 g\/L (ppt) TDS Calibration Solution, 25 x 20 mL, HI70038P\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eAppearance: colorless liquid\u003c\/li\u003e \u003cli\u003eCAS Nos.: does not contain hazardous materials\u003c\/li\u003e \u003cli\u003ePremium quality, NIST traceable 6.44 g\/L (ppt) TDS calibration solution contained in portable single-use sachets\u003c\/li\u003e \u003cli\u003eStandardized with conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696\/BS3978 and prepared using certified weight-checked balances, Class A glassware and certified thermometers\u003c\/li\u003e \u003cli\u003eEach sachet has lot number and expiration date on light block packaging\u003c\/li\u003e \u003cli\u003eSpecially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet\u003c\/li\u003e \u003cli\u003eTemperature chart of the actual ppt value at various temperatures printed on each sachet\u003c\/li\u003e \u003cli\u003eIdeal for users that do not calibrate frequently\u003c\/li\u003e \u003cli\u003eIdeal for field use due to portability\u003c\/li\u003e \u003cli\u003eEvery sachet is as fresh as the day it was packaged\u003c\/li\u003e \u003cli\u003eLight block packaging prevents oxidation from UV light that could alter the value\u003c\/li\u003e \u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"PK (1)","offer_id":51111218544955,"sku":"92-2659-39-PK","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/92-2659-39.png?v=1784712249","url":"https:\/\/preiser.com\/products\/6-44-g-l-ppt-tds-calibration-solution-25-x-20-ml-hanna-instruments-hi70038p","provider":"Preiser Scientific","version":"1.0","type":"link"}