Certified Reference Material (CRM) Buffer Standard Solution is required for pH sensor verification for laboratory and field analysis.
CRM Buffer Standard Solution (p/n S11M002) is required for pH apparatus verification 4.005±0.010 pH at 25 °C for laboratory and field analysis. The solution complies with EN ISO 17034 standard. Each bottle contains 500ml. The solution is traceable to NIST standard reference materials.
Storage conditions
Buffer Standard Solution storage conditions are between 10 °C and 25 °C (protected from light).
| Brand | Hach |
| Parameter | pH |
| pH value | 4.005 ± 0.010 pH |
| Color coded | No |
| NIST traceable | Yes |
| Quantity | 500ml |
| Storage conditions | 10 °C - 25 °C (protected from light) |
