IPC Definitions - January 01, 2012

G01N 15/00 - Definition fr

Definition statement

This main group covers:

Determining characteristics of particles, particulate material, or particle suspensions, e.g. of blood cells. Such characteristics include e.g. particle size distributions or sedimentation.

Analysis of porous material, e.g. determining its permeability, pore volume, or surface area.

References relevant to classification in this main group

This main group does not cover:

Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated into a larger system:

Investigating concentration of particle suspensions by weighing

G01N 5/00

Investigating particle size or size distribution by measuring osmotic pressure

G01N 7/10

Investigating particle size or size distribution by filtering

B01D

Investigating particle size or size distribution by sifting

B07B

Identification of micro-organisms

C12Q

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

Glossary of terms

In this main group, the following terms or expressions are used with the meaning indicated:

Permeability

Capacity of a porous material to transmit a fluid.

Porosity

is the fraction of the volume of an apparent solid that is actually empty space