HI70082M pH 8.20 Calibration Buffer Solution (230 mL)

HI70082M is a premium quality pH 8.20 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 +/- 0.01 pH @ 25C and are traceable to NIST Standard Reference Materials (SRMs).Features:– Air tight bottle with tamper-proof seal: Ensures quality and freshness of solution- Each bottle marked with lot number and expiration date: Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.- Color coded label for easy pH buffer value identification: Easy to identify different buffer values