Monuron, 10.0 µg/ml, Acetonitrile, 10ml

Chloroparaffin C18-C20 49 % Cl, 100 µg/ml, 10ml

Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

Ethoxysulfuron, 100 µg/ml, Acetonitrile, 1ml