Buffer Powder Pillows for laboratory and field analysis.
Buffer Powder Pillows calibrate pH electrode in the range of 4.01±0.02 and 7.00±0.02. The product can be used to evaluate up to 30 tests. Each package has 15 red pillows of pH 4.01 and 15 yellow pillows of pH 7.00. Dissolve Powder Pillow content in 50mL demineralized water to prepare buffer solution. Article 2299264 is traceable to NIST standard reference materials. The product is compatible with other Hach instruments and meters.
Sample preparation
It is required to store the product at the temperature from 10 °C to 25 °C (protected from the light). It is recommended to store Powder Pillows in the original container that has additional hazard information that is not printed on Powder Pillows.
| Brand | Hach |
| Concentration | pH 4.01 & pH 7.00 |
| Color coded | Yes |
| NIST traceable | Yes |
| Number of tests | 30 tests |
| Storage conditions | 10 °C - 25 °C (protected from light) |
