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IPC Subgroup
G01N 23/06

and measuring the absorption

Introduced: September 1968

Last revised: January 2018

Full Title

Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or > by transmitting the radiation through the material > and measuring the absorption

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

7 direct subcodes

Child Classifications

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  • G01N 23/09 the radiation being neutrons
  • G01N 23/095 Gamma-ray resonance absorption, e.g. using the Mössbauer effect
  • G01N 23/1 the material being confined in a container, e.g. in luggage X-ray scanners
  • G01N 23/12 the material being a flowing fluid or a flowing granular solid
  • G01N 23/16 the material being a moving sheet or film
  • G01N 23/18 Investigating the presence of defects or foreign matter