Hach Singlet, pH buffer 4,01 — pk/20. Reference part number 2770020.
| Color coded | Yes |
| Description | pH Buffer Calibration reagent |
| NIST Traceable | Yes |
| Package Type | Singlet |
| pH Value(s) | 4.01 ±0.02 pH at 25°C |
| Quantity | 20 pcs |
| Special Remarks | Discard solution after use |
| Storage Conditions | 10 - 25 °C (protect from light) |
| MOQ | 1 |