"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane

1,3-Dichlorobenzene, 1000mg

4,4'-Methylenedianiline,100 µg/mL,acetonitrile,1mL,

Trixylyl phosphate, purified ion m/z 382 (tetramethyl),100 µg/mL,isooctane,1mL,