Hach Buffer Solution, pH 4.01, 500 ml. Reference part number 1222349.
| Description | pH Buffer Calibration reagent |
| NIST Traceable | Yes |
| Package Type | Bottle |
| pH Value(s) | 4.01 ±0.02 pH at 25°C |
| Quantity | 500 mL |
| Special Remarks | Observed shelf-life after opening, following recommended storage and use: 6 months |
| Storage Conditions | 10 - 25 °C (protect from light) |
| MOQ | 1 |