Cart ()
  ()

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: 47 in stock

 

QTY

 Add to Cart