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This pH 7.01 calibration solution is NIST traceable and comes with a Certificate of Analysis. The solution has the lot number and expiration date clearly marked on the label and has an air tight, tamper-proof seal. Hanna's line of calibration buffers have been specially formulated to expire 5 years from the date of manufacture for a sealed bottle.
This pH 7.01 calibration solution is NIST traceable and comes with a Certificate of Analysis. The solution has the lot number and expiration date clearly marked on the label and has an air tight, tamper-proof seal. Hanna's line of calibration buffers have been specially formulated to expire 5 years from the date of manufacture for a sealed bottle.
pH 7.01 calibration solution manufactured in accordance with ISO 3696/BS3978 standards using deionized water, high purity salts, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are traceable to NIST Standard Reference Materials (SRMs).
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