DNPH - Mix 4, 100µg/ml in Acetonitrile, 5ml

Fluorene, 10 µg/ml, Cyclohexane, 10ml

Demeton-S-methyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 919-86-8

Diethyldithiophosphate, 250mg