108700 WTW TEP 4: Technical buffer solution, pH 4.01 (1 liter)

Buffer solution for pH meters calibration. Ph value is 4.01

SKU: 108700

View product Compare

108702 WTW TEP 7: Technical buffer solution, pH 7.00 (1 liter)

Buffer solution for pH meters calibration. Ph value is 7.00

SKU: 108702

View product Compare

SKU: 1094070500

View product Compare

1.09475 Buffer solution pH 4.00, red (20 °C)

The red buffer solution (composition: citric acid/sodium hydroxide/hydrogen chloride) is prepared gravimetrically using high-quality reagents in accordance with DIN EN ISO/IEC 17025.

SKU: 1094750500

View product Compare