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

Child Classifications

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• G01N 7/02 by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder
• G01N 7/10 by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
• G01N 7/14 by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference