IPIQ

PHYSICS

G01

MEASURING; TESTING

G01N

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

25/00

Investigating or analyzing materials by the use of thermal means

G01N25/20

by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity

G01N25/22

on combustion or catalytic oxidation, e.g. of components of gas mixtures

G01N25/28

the rise in temperature of the gases resulting from combustion being measured directly

G01N25/38

using the melting or combustion of a solid

G01N25/385

for investigating the composition of gas mixtures