Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Scope Notes

Glossary: conditioning the adjustment or control of environmental parameters, e.g. temperature or pressure | Limiting references: Investigating strength properties of solid materials by application of mechanical stress Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid Analysing materials by measuring the pressure or volume of a gas or vapour Investigatingdensity or specific gravity of materials; Analysing materials by determining density or specific gravity Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary or diffusion effects Investigating characteristics of particles; investigating permeability, pore-volume or surface-area of porous materials Investigating resistance of materials to the weather, to corrosion or to light Investigating materials by mechanical methods Investigating or analysing materials by the use of optical means, i.e. using infrared, visible or ultraviolet light Investigating or analysing materials by the use of microwaves Investigating or analysing materials by the use of other wave or particle radiation, e.g. X-rays or neutrons Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects Investigating or analysing materials by the use of thermal means Investigating or analysing materials by the use of electric, electrochemical or magnetic means Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object

Related Keywords

Child Classifications

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• G01N 30/02 Column chromatography
• G01N 30/89 Inverse chromatography, i.e. with the analyte in stationary phase
• G01N 30/9 Plate chromatography, e.g. thin layer or paper chromatography
• G01N 30/96 using ion-exchange