250 mls pH BUFFER 7 REDUCED BY OVER 10% FOR INTERNET SALES
Solutions of a known and fixed pH. These are used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter.
Available buffer solutions: pH 4 – pH 7 – pH 10
Available: 250 mls and 1 Litre
DELIVERY FROM JUST £3.95!
