Hanna HI7007-12 pH 7.01 Calibration Buffer, 120mL

HI7007-012 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).