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litmus paper strips blue red 200 acid base indicator strips for testing acid and base solutions,fun and learn activity for school,home and education institute experiment
Package Contents: Blue Litmus paper 100 Strips, Red Litmus paper 100 Strips
The test strip colour changes must be matched with the pH scale colour chart within about 15 seconds
There is a strong correlation between the pH of the body’s internal environment and pH paper help you to maintain good healthy body by testing many usual everyday substances, including moisturized soap, lemon juice, milk, liquid detergent, moisturized soil, saliva, urine, sweat etc.
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