O,O-Dimethyldithiophosphate-13C2, sodium salt

Diisononyl phthalate-3,4,5,6-d4 ,100 µg/mL,MeOH,1mL,

4-ANPP,1000 µg/mL,acetonitrile,1mL,

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