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Detection of GB and VX in spiked samples (A) GB in spiked tap water sample (100 ppm GB, 50 ppm MPA, IMPA). BGE: 10 mM MES/His, 10 µM CTAB, 0.5% agarose. CE conditions: injection: 20 s, 1 kV, sample separation: 200 s, 3 kV. (B) VX in spiked Yarra River water sample (100 ppm VX). BGE was 10 mM MOPS + 30 mM Arg (pH = 7.5). CE conditions: injection: 10 s, 1 kV, sample separation: 200 s, 3 kV. CE: capillary electrophoresis.
