Nitrite (NO2-) as N

Profluralin, 10.0 µg/ml, Ethyl acetate, 10ml

1-Bromo-2,4,5-trichlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 29682-44-8

1,2,3,7,8,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene