Litmus red 100 strips
4452-100s



 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 BitesizeRed Litmus turns blue in alkali solution

Unit Qty: ea
Availability: 3 in stock