The main use of litmus is to test whether a solution is acidic or basic, as blue litmus paper turns red under acidic conditions, and red litmus paper turns blue under basic or alkaline conditions, with the colour change occurring over the pH range 4.5\342\200\2238.3 at 25 \302\260C (77 \302\260F)

Red Litmus Papers turn from Red to Blue colour according to concentration of acidity of solution.\015\012Dye & Stain Test papers are used in Schools, Universities, Hospitals, Laboratories and in other specialist industry sectors.\015\012\015\012In plastic box of 10 books each with 20 strips\015\012B

We are instrumental in trading a qualitative range of Red Litmus including Litmus Red Paper - pH Range 4.5-8.3, Acidic and Basic Solution Indicator, Red Litmus Test Papers - 63.5x10 mm Strips | Blue to Red Colour Change, Plastic Box of 200 Strips for Classrooms and Laboratories etc.

DYE & STAIN - Manufacturer of Red Litmus, 1-14 PH indicator Paper, PH Indicator Paper from Hooghly, West Bengal, India.

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Litmus Red Paper - pH Range 4.5-8.3, Acidic and Basic Solution Indicator

Red Litmus Test Papers - 63.5x10 mm Strips | Blue to Red Colour Change, Plastic Box of 200 Strips for Classrooms and Laboratories