Hexachlorobenzene, 100 µg/ml, Ethyl acetate, 1ml

Nitrite (NO2-) as N

Ba, 1000 µg/mL in 2% HNO3, 100ml

N-Nitropiperazine-2,2,3,3,5,5,6,6-d8, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no.