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Calibration powder 1 pc. for pH meter

Product code for ordering by phone or messengers: m000105-n

Calibration powder 1 pc. for pH meter

Product code for ordering by phone or messengers: m000105-n

Description

Calibration powder 1 pc. for pH meter

Calibration bag. 
1. pH 4.01
2. pH 6.86
3. pH 9.18

Preparation of the calibration solution: dissolve one sachet of powder in 250 ml of distilled (deionized) water with a temperature of 25 ° C in a clean glass container. Only 20 ml of the solution is sufficient for one calibration. 

It is necessary to store ready buffer calibration solutions in a dark, cool place (not in the refrigerator and at a temperature not higher than 25 °C) away from direct sunlight to prevent photochemical degradation. In addition, buffer calibration solutions must be protected from carbon dioxide ingress and stored in a tightly closed package.

Weight: 2 grams (for the preparation of 250 ml of solution)
Accuracy: ±0.01pH
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Calibration powder 1 pc. for pH meter