IPC Subgroup
G01N 27/407 for investigating or analysing gases
Introduced: January 1990
Last revised: January 2006
Full Title
Investigating or analysing materials by the use of electric, electrochemical, or magnetic means > by investigating electrochemical variables; by using electrolysis or electrophoresis > Cells and electrode assemblies > Cells and probes with solid electrolytes > for investigating or analysing gases
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2 direct subcodes
Child Classifications
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- G01N 27/409 Oxygen concentration cells
- G01N 27/41 Oxygen pumping cells