DIFF Subgroup
G01N 15/1031 by measuring electrical or magnetic effects
Introduced: January 2024
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
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1985.
Child Classifications
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- G01N 15/12 by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle since 1985 +6 CPC IPC+CPC Available in IPC and CPC