CPC Subgroup
G01N 15/12 by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
Full Title
Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials > Investigating individual particles > by measuring electrical or magnetic effects > by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
7 direct subcodes
Child Classifications
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- G01N 15/13 Details pertaining to apertures