Cations Solution C

2,2',3,4,5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

4-Methyl-2,2',5,5'-tetrachlorodiphenylmethane

1-Methyl-4-benzylpiperazine hydrochloride,1000 µg base/mL,MeOH,1mL,