Ammonia as (NH4+)

2,4,8-Trimethyldibenzothiophene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1210-52-2

D7-Malathion, 100 µg/ml, Cyclohexane, 1ml

Vanadium (V)