Apparatus and method for the analysis of porous materials

Measuring and testing – With fluid pressure – Porosity or permeability

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G01N 1508

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055356168

ABSTRACT:
An apparatus for the determination of the inner condition of a porous material, particularly a textile material web, and a method for running the apparatus. The apparatus comprises a pressure element and an extracting and collecting element which clamp the material between them; the clamped-in sample is then extracted with a preferably hot extracting fluid. The extract will then be analyzed in order to yield indications of the inner condition of the material and/or of substances present in or on the porous material.

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J. A. Jonsson et al., "Supporeted liquid membrane techniques for sample preparation and enrichment in environmental and biological analysis", TrAC: Trends in Analytical Chemistry, vol. 11, No. 3, (Mar. 11, 1991).

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