Methyl 4-hydroxybenzoate-2,3,5,6-d4,neat,neat,50mg,

Phthalate Standard

1,2,3-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

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