Buffer Powder Pillows for laboratory and field analysis.
Buffer Powder Pillows calibrate pH electrode in the range of 7.00±0.02. 15 Powder Pillows are included in each package. Powder Pillow content may be used to prepare 50mL pH 7.00 standard solution for electrode calibration. The yellow color coding identifies the pH value. Article 2227095 is traceable to NIST standard reference materials. Buffer Powder Pillows contain Dibasic Sodium Phosphate (7558-79-4) and Monobasic Potassium Phosphate (7778-77-0). The product is compatible with other instruments and meters from the manufacturer.
Sample preparation
It is recommended to store the product at the temperature from 10 °C to 25 °C (protected from light rays).
| Brand | Hach |
| Concentration | pH 7.00 |
| Color coded | Yes |
| NIST traceable | Yes |
| Number of tests | 15 tests |
| Storage conditions | 10 °C - 25 °C (protected from light) |
