The possibility of field extraction of ions from a polar solution was demonstrated using a polymer track membrane with a conductive coating as an interface. The time-of-flight spectrum of ions extracted from a KI solution in a water-glycerin mixture by a nanosecond electric field pulse was obtained. The use of a conductive coating made it possible to significantly lower the voltage of the extracting pulse and reduce the influence of secondary processes on the composition of ions generated in a pulsed membrane ion source.

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