Blue Litmus Papers Manufacturer,Supplier and Exporter in Uk
Product Code : DS-C-11329
Quick Answer: The Blue Litmus Papers come in a plastic vial of about 100 paper strips. They turn red or pink in acidic solutions below pH 4.5 and stay blue above 8.3.
Last updated: October 2026
Key Features
About 100 paper strips per plastic vial
Red or pink below pH 4.5
Purple between 4.5 and 8.3
Blue above 8.3
Technical Specifications
Specification
Value
Below pH 4.5
Red or pink
Between 4.5 and 8.3
Purple
Above 8.3
Stays blue
Supplied
Plastic vial, about 100 strips
About This Product
Each strip is touched with a drop of the solution under test. A change to red or pink shows an acid below pH 4.5, while a strip that stays blue shows the solution is above 8.3. The Blue Litmus Papers are available for supply within the United Kingdom and for export to Senegal, Trinidad and Tobago, Kazakhstan, Kuwait, Equatorial Guinea, and Chile.
Frequently Asked Questions
Q1. What does purple mean on the Blue Litmus Papers? The paper turns purple between pH 4.5 and 8.3.