HI70083M is a premium quality pH 8.30 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).
Air-tight bottle with tamper-proof seal
- Ensures quality and freshness of solution
Each bottle is marked with the 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
- It is easy to identify different buffer values
- The solution does not contain any dyes that may stain the reference cell of a pH electrode