Guangzhou Norm Scientific Instrument Co., Ltd

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1. Urine and Saliva Test Paper

Since most of the body is water-based, the PH level has profound effects on all body chemistry, health and disease.

The typical way to painlessly monitor the body's PH is by using PH strips to test the saliva and urine. When urinary PH is ...

2. Litmus Paper

PH range: 5.0-8.0

Litmus paper blue:
Changes color from blue to red when conditions change from alkaline to acidic

Litmus paper neutral:
Changes color to red under acid conditions and to blue under alkaline conditions

Litmus paper ...

3. Special Indicator Paper

PH indicator paper provides a fast and economical method of pH measurement. For most solutions it is only necessary to dip a short strip of test paper in the solution for a second or two. Then shake off the excess fluid and match the color of ...

4. Universal Indicator Strips