electrospray ionisation
extraction electrospray ionisation
EESI
CHMO:0001663
extraction electrospray ionization
An ionisation method where a neutral sample, in the form of a gas or aerosol flow, is ionised by directing it into a plume of charged droplets, generated by forcing a solution of pure solvent through a small heated capillary (at a flow rate of 1–10 μL min-1) into an electric field.