Litmus Testing Papers

Blue or red

Litmus Testing Papers

Blue or red
£5.20 ex VAT
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In Stock
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Box of 10 books
  • Includes plastic case
Full Description
Plastic case of 10 books each with 20 leaves. The litmus test is performed by placing a small drop of sample onto the coloured paper. Choose from litmus paper either red or blue. Red paper turns blue when the pH is alkaline, while blue paper turns red when the pH is acidic.