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

Sulfur (S)

2,4,4'-Trichlorobiphenyl-2',3',5',6'-d4, 100 µg/mL in Isooctane, 1mL

Bisphenol-A-d16,1000 µg/mL,isopropanol,1mL,