Digital Microscope Monocular 2000x 
Description
- Import of ECE
- There are 3 types of calibration powder in the set: pH4.00, pH6.86 and pH9.18, which are used for pH meter calibration
- It has a long shelf life
- Accuracy of ±0.01pH at 25°C
- 250 ml solution can be prepared from each package.
- It is easy to use. Calibration can be carried out by adding 250 ml of pure water to each package
- Accuracy: ±0.01pH at 25°C
Application:
- Open the package and pour the powder into a clean, dry glass or porcelain container as much as you need (Do not use a metal container).
- Fill deionized or pure water over the powder in the container (250 ml if the whole package will be used)
- Stir the solution until it is completely dissolved.
- Calibrate your pH meter device
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