Biopharm Buffer Calibration Solution Kit 3-Pack of 250 ml (8oz) Each pH 4, 7 and 10 Calibration Standards Color Coded NIST Traceable for All pH Meters
| Country | USA |
| Brand | HACH |
| Manufacturer | Hach Company US |
| Binding | Misc. |
| ItemPartNumber | 9531000 |
| Model | 9531000 |
| ReleaseDate | 2018-02-21 |
| UnitCount | 1 |