Hanna HI54710 pH 4.01,7.01和10.01 实验室等级酸度校准组

Accuracy: Technical ±0.01 pH

Package: bottles

Size: 500 mL

HI54710 is a set of premium quality pH 4.01, 7.01 and 10.01 technical 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 @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).