GPC Calibration Solution

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

Atrazine-desethyl-desisopropyl, 50µg/mL in MeOH, 1ml

iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-45-7