Hanna HI7004M pH 4.01 Calibration Solution (230 mL)

Spesifikasi

Details Alat Ukur Kalibrasi 
HI7004M is a premium quality pH 4.01 calibration solution. 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).
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
Solution does not contain any dyes that may stain the reference cell of a pH electrode
Specifications
Accuracy Standard 0.01 pH
pH Value @25C 4.01
Package bottles
Size 230 mL
Quantity 1
Certificate of Analysis No . .