Buy Litmus paper RED pk200 in NZ.

Litmus paper RED pk200
4452-200

 Red litmus paper turns blue under basic or alkaline conditions,(ph8.3 or higher)

The color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F).

Neutral litmus paper is purple.

Indicators and the pH scale - The pH scale and neutralisation - KS3  Chemistry Revision - BBC Bitesize

Red Litmus turns blue in alkali solution

Unit Qty: ea

Availability: 55 in stock

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