Blue Litmus Paper Strip Manufacturer,Supplier and Exporter in Uk
Product Code : DS-C-11347
Quick Answer: The Blue Litmus Paper Strip turns red or pink in acidic solutions below pH 4.5, shows purple between 4.5 and 8.3, and stays blue above 8.3. It is supplied in a plastic vial of about 100 strips.
Last updated: October 2026
Key Features
Turns red or pink below pH 4.5
Purple between 4.5 and 8.3
Stays blue above 8.3
Supplied in a plastic vial
About 100 paper strips per vial
Technical Specifications
Specification
Value
Colour below pH 4.5
Red or pink
Colour between 4.5 and 8.3
Purple
Colour above 8.3
Blue
Pack
Plastic vial, about 100 strips
About This Product
A strip is touched with the solution being tested, and the colour shows whether the solution is acidic. It is the litmus paper school chemistry lessons use for a quick acid test, with red or pink showing an acid below pH 4.5.
Frequently Asked Questions
Q1. What colour does the Blue Litmus Paper Strip turn in acid? It turns red or pink when it comes into contact with an acidic solution below pH 4.5.
Q2. How many strips are in a vial? The strips come in a plastic vial of about 100 paper strips.
