Exotic Aquarium World
Hanna pH 7.01 Calibration Buffer Sachet (20 mL) - HI70007
$1.99
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HI70007 is a premium 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 +/- 0.01 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
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