Product information

Product name: red litmus/blue litmus paper
Product specification: 200 pieces/box
Product use: rapid detection of solution pH

Illustrate

In case of alkaline solution (PH>8.0), red litmus paper turns blue;
In case of acid solution (PH<4.5), blue litmus paper turns red;
The pH value of the solution is between 4.5-8.0, and the red litmus and blue litmus paper will not change color.

Package Included

1 x box (200 strips in total)