Investigating or analysing materials by the use of electric, electrochemical, or magnetic means

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Scope Notes

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, 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; investigatingpermeability, pore-volume, or surface-area of porous materials investigating resistance of materials to the weather, to corrosion, or to light investigatingmaterials by mechanical methods investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet 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 measuring or investigating electric or magnetic properties of materials (see also Relationship between large subject matter areas, above) | Application references: medical or veterinary diagnosis on the human or animal body using electric or magnetic means

Related Keywords

Child Classifications

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• G01N 27/02 by investigating impedance
• G01N 27/26 by investigating electrochemical variables; by using electrolysis or electrophoresis
• G01N 27/6 by investigating electrostatic variables
• G01N 27/62 by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
• G01N 27/72 by investigating magnetic variables
• G01N 27/92 by investigating breakdown voltage