Organic Acids Mix

2,3,4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Fenchlorazol-ethyl, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4,5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52712-04-6