Heptachlor epoxide (Isomer B), 50mg

PIONA Mix.1 - Isoparaffins 36 Isoparaffins with varying Wt.% as listed below; units: 0.1mL, 0.5mL neat. Chiron No. Name: Wt.% Chiron No. Name: Wt.% 1231.5 2-Methylbutane

PCB-Mix 3, 10µg/mL in Isooctane, 1ml

2-Hydroxy-propoxycarbazone, 100 µg/ml, Acetonitri