Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G01N 23/223

by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or > by measuring secondary emission from the material > by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence

CPC:

Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 > by measuring secondary emission from the material > by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence

No child classifications to compare. This is a leaf node in both IPC and CPC.