pH 1.0 Standard @ 25°C

Sulfentrazone, 10.0 µg/ml, Ethyl acetate, 10ml

1,4-Diethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-05-5

Rutin hydrate, certified, 0.5g