Calibration Standard Mix 4

Difenoxuron, 100 µg/ml, Acetonitrile, 1ml

2-Methylthio-3-methyl- and 2-methylthio-5-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

Clomazone, 100 µg/ml, Ethyl acetate, 5ml