Propoxycarbazone sodium, 100 μg/ml in MeOH, 1ml

Naphthalene, 1000µg/ml in Acetonitrile, 1ml

Phenylbutazon, 1000ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-33-9

Canadian Drinking Water Carbamates Mix