HI5091 is a premium quality pH 9.18 technical 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).
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
| Accuracy | Technical ±0.01 pH |
|---|---|
| pH Value @25°C | 9.18 |
| Package | bottles |
| Size | 500 mL |
| Quantity | 1 |
| Certificate of Analysis | Yes |
