IMPA
651390
PH Test Paper (Litmus Paper)
- IMPA:
- 651390
- Specification:
- Unit:
- Price:
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- Origin:
- China
Description
For measuring acidity and alkalinity (hydrogen ion concentration) based on a scale of 0 to 14 where 7 represents the value for pure water at 25°C or neutrality.Values less than 7 represent increasing hydrogen-ion concentration or increasing acidity,and a