HI7004-050 is a high quality pH 4.01 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 +/- 0.02 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
The HI7004-050 is supplied with Certificate of Analysis
- Product code
- Lot number
- Mean lot value
- SRMs that were used
- Manufacturing date
- Expiration date
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
