Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

2,2',3,4',5,5'-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml

Hexaethylene glycol mono(p-n-octylphenyl) ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.