by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode

Full Title

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means > by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Related Keywords

Child Classifications

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• G01N 27/622 Ion mobility spectrometry
• G01N 27/626 using heat to ionise a gas
• G01N 27/64 using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
• G01N 27/68 using electric discharge to ionise a gas