pH 5.0 Standard @ 25°C

Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol

4-Chloro-2-methylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1570-64-5

2,6-Dimethylaniline