IPC Definitions - January 01, 2012

G01N 25/00 - Definition fr

Definition statement

This main group covers:

Thermal and calorimetric analysis of materials.

Thermography.

Investigating:

References relevant to classification in this main group

This main group does not cover:

Investigating strength properties of solid materials by application of mechanical stress

G01N 3/00

Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid

G01N 5/00

Analysing materials by measuring the pressure or volume of a gas or vapour

G01N 7/00

Investigatingdensity or specific gravity of materials; analysing materials by determining density or specific gravity

G01N 9/00

Investigating flow properties of materials, e.g. viscosity, plasticity; analysing materials by determining flow properties

G01N 11/00

Investigating surface or boundary effects, e.g. wetting power; investigating diffusion effects; analysing materials by determining surface, boundary, or diffusion effects

G01N 13/00

Investigating characteristics of particles; investigatingpermeability, pore-volume, or surface-area of porous materials

G01N 15/00

Investigating resistance of materials to the weather, to corrosion, or to light

G01N 17/00

Investigatingmaterials by mechanical methods

G01N 19/00

Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01N 21/00

Investigating or analysing materials by the use of microwaves

G01N 22/00

Investigating or analysing materials by the use of other wave or particle radiation, e.g. X-rays or neutrons

G01N 23/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Sampling; preparing specimens for investigation

G01N 1/00

Automatic analysis; handling materials therefor

G01N 35/00

Optical radiation pyrometry

G01J 5/00

Measuring temperature or quantity of heat; thermally-sensitive elements not otherwise provided for

G01K