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PCE
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DIFF Subgroup
G01N 7/02

by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder

Introduced: September 1968

Full Title

Analysing materials by measuring the pressure or volume of a gas or vapour > by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • G01N 7/04 by absorption or adsorption alone IPC+CPC Available in IPC and CPC
  • G01N 7/06 by combustion alone IPC+CPC Available in IPC and CPC
  • G01N 7/08 by combustion followed by absorption or adsorption of the combustion products IPC+CPC Available in IPC and CPC