{"product_id":"groline-ph-7-01-calibration-buffer-230-ml","title":"GroLine pH 7.01 Calibration Buffer (230 mL)","description":"HI7007-023 is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.\u003cbr\u003e\u003cbr\u003eSupplied with Certificate of Analysis\u003cbr\u003eAccuracy of +\/- 0.02 pH @ 25°C\u003cbr\u003eTemperature chart of the actual pH value at various temperatures printed on each bottle\u003cbr\u003e\u003cbr\u003eHI7007-023 is a high quality pH 7.01 calibration buffer produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +\/- 0.02 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).\u003cbr\u003e\u003cbr\u003eThe HI7007-023 is supplied with Certificate of Analysis\u003cbr\u003eProduct code\u003cbr\u003eLot number\u003cbr\u003eMean lot value\u003cbr\u003eSRMs that were used\u003cbr\u003eManufacturing date\u003cbr\u003eExpiration date\u003cbr\u003eColor coded label for easy pH buffer value identification\u003cbr\u003eEasy to identify different buffer values\u003cbr\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode \u003cbr\u003e","brand":"Grow Masters","offers":[{"title":"Default Title","offer_id":32066475655253,"sku":"HI7007-023","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3099\/1090\/products\/HI7007-023_box-certificate__94139.1569871770.220.290.jpg?v=1587403054","url":"https:\/\/growmasters.com\/products\/groline-ph-7-01-calibration-buffer-230-ml","provider":"Grow Masters","version":"1.0","type":"link"}