Dibenzo-p-dioxin-d8,50 µg/mL,n-nonane,1mL,

1,3,5-Trioxane

3,3'-Dimethyl-4,4'-diaminodiphenylmethane,100 µg/mL,acetonitrile,1mL,

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