pH 5.0 Standard @ 25°C

Picolinafen, 10.0 µg/ml, Acetonitrile, 10ml

2,4-Dinitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 119-27-7

1-Aminonaphthalene, certified, 50mg