HI770710P pH 7.01 and 10.01 Calibration Buffer Sachets (10 x 20mL, 5 Each)

The HI770710P is a set of premium quality pH 7.01 and 10.01 calibration buffers 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 at 25C and are traceable to NIST Standard Reference Materials (SRMs). Features: – Ideal for users that do not calibrate frequently – Ideal for field use due to portability – Every sachet is as fresh as the day it was packaged – Light block packaging prevents oxidation from UV light that could alter the buffer value – Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet. – Easy to identify different buffer values – Solution does not contain any dyes that may stain the reference cell of a pH electrode