• Litmus blue paper
• 10 books, 20 strips per book
• Test for acidity

Johnson Litmus Test Paper is used to test the acidity of a solution where no precise pH value is required.

• It indicates whether a solution is acid or alkaline
• It is the fastest test to identify the acid solution without precise pH value
• Handy and travel friendly

• Immerse a strip of the indicator paper into the test solution for approximately one second and then remove
• A color change from blue to red indicates an acid solution
• After use store the test papers where they are not liable to be exposed to acid or alkaline gases or vapours