Nitrate & Nitrite as N

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid hydrate (contains 5-10% isopropyl alcohol), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4065-45-6

2,4-Dimethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 105-67-9

4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml