HI5004-R08 is a premium quality pH 4.01 technical calibration buffer made from high purity salts and deionized water for analytical use according to ISO 3696/BS3978, using balances checked with certified weight and Class A glassware, in a temperature controlled environment checked with certified thermometers. Reported values are accurate to +/- 0.01 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
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This pH 4.01 buffer solution is dyed red for easy identification
Easy to identify which buffer is being used for calibration
| Accuracy | Technical ±0.01 pH |
|---|---|
| pH Value @25°C | 4.01 |
| Package | bottles |
| Size | 1 gallon (3.78 L) |
| Quantity | 1 |
| Certificate of Analysis | Yes |
