caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas

Full Title

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means > by investigating impedance > by investigating resistance > of an electrically-heated body in dependence upon change of temperature > caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES