Litmus paper BLUE pk200
4451-200



 

Blue litmus paper turns Red under acidic conditions ( under pH 4.5)

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

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

SDS

Unit Qty: ea
Availability: 40 in stock