pH 2.0 Standard @ 25°C

4,4'-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2050-68-2

D4-3-Amino-2-oxazolidinone, 10mg

Antipyrine, 10.0 µg/ml, Acetonitrile, 10ml