has proper occurrent part gas chromatography pulsed discharge helium ionisation detection gas chromatography-pulsed discharge helium ionisation detection gas chromatography pulsed discharge helium ionization detection gas chromatography pulse-discharge helium ionisation detection gas chromatography pulse-discharge helium ionization detection gas chromatography pulsed discharge helium ionisation detection gas chromatography-pulse-discharge helium ionisation detection GC/PDHID CHMO:0001747 GC-PDHID A gas chromatography method that is sensitive to small gas molecules (e.g. O2, N2, CO2). A low-power, pulsed DC discharge is used to ionise the eluent (which is held in He carrier gas). The resulting electrons are focused toward a collector electrode and the current is measured. gas chromatography-pulse-discharge helium ionization detection GCPDHID