HI-70004C pH 4.01 Buffer Sachets, 20ml sachets

HI-70004C pH 4.01 Buffer Sachets, 20ml sachets

Regular price
£1.99
Sale price
£1.99
Regular price
Sold out
Unit price
per 
Tax included. Shipping calculated at checkout.

Achieve accurate pH readings and check your meter and electrode is functioning correctly with Hanna buffer solutions. Available in convenient, ready-made pH values 4.01, 6.86, 7.01, 9.28 and 10.01, Hanna has a certified value calibration solution with an accuracy of +/- 0.01pH @ 25◦C for all requirements.