Nitrate (NO3-) as N

2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5

Iopanoic acid,100 µg/mL,MeOH,1mL,

trans-Chlordane, 100 µg/ml, Ethyl acetate, 5ml