Internal Standard Spiking Solution, 1.2ml, nonane

1,2,3,4,6,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

1,4,6,7,8-Pentachlorodibenzofuran (or 2,3,4,6,9), 1.2mL x 50ug/mL, nonane

Fmoc-Cl (99 %), 5000mg