Sample holder for spectroscopy

Details Sample holder for spectroscopy Sample holder for spectroscopy

1993-08-04

1996-05-21

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250343, 356244, G01N 2101

Patent

active

055192181

ABSTRACT:
There is provided a sample holder for use in radiant spectroscopy analysis. The sample holder comprises a plurality of openings defined by one or more solid, substantially opaque, structural elements, each of the openings being arranged to retain a solid, semi-solid, gel or liquid material sample in the opening. Desirably, the openings constitute at least a major portion of the combined area of the one or more structural elements and the openings. In one embodiment, the sample holder comprises a plurality of strips secured together at irregular (random) or regular intervals. Desirably, one first group of strips is disposed in parallel spaced apart relation and a second group of strips disposed in parallel relation with the groups intersecting at an angle of between 30 and 150 degrees and secured together at substantially regular intervals. The strips may be woven as in wire mesh, or non-woven as in expanded metal. In another embodiment, the sample holder is a sheet of metal having perforations. In each embodiment, the sample holder is of structural elements which are substantially solid and opaque to infrared (IR) radiation. The void spaces or openings are defined by the structural elements (i.e. wires). The void spaces retain the sample to be analyzed by spectroscopy.

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patent: 4943735 (1990-07-01), Nishikawa
patent: 5133598 (1992-07-01), Badeau

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