Sulphate (SO42-)

Isophthalic acid, bis-methyl ester. 1g

2,3,3'-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38444-84-7

2,5-Dimethylaniline, 250mg