Buffer Standard Solution is required for pH sensor verification for laboratory and field analysis.
Buffer Standard Solution is required to verify pH instrument 4.01±0.02 pH at 25°C for laboratory and field analysis. The volume of each bottle is 500 ml. pH Buffer Solution is color-coded red for visual identification. The solution is NIST-traceable. Read safety information and expiration date printed on the bottle. Use personal protective equipment when handling the solution.
| Brand | Hach |
| Parameter | pH |
| pH value | 4.01 ± 0.02 pH |
| Color coded | Yes |
| NIST traceable | Yes |
| Quantity | 500ml |