Spectroscopic sample holder
First Claim
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1. A device for holding a sample to be spectroscopically analyzed, said device comprising:
- a porous medium for receiving said sample,said porous medium comprising a nonporous region for confining said sample within a predetermined portion of said porous medium, said nonporous region defining said predetermined portion.
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Abstract
A device for holding a sample to be spectroscopically analyzed in which the sample is retained within a defined area. The device includes a receiving medium on which the sample is held. When this receiving medium is mounted in a frame (an optional feature), it extends across an aperture in the frame. In/on the receiving medium is a sample confining region that keeps any sample placed on the receiving medium from migrating outside a defined area. By keeping the sample within a defined area, quantitative measurements of the sample can be obtained.
60 Citations
27 Claims
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1. A device for holding a sample to be spectroscopically analyzed, said device comprising:
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a porous medium for receiving said sample, said porous medium comprising a nonporous region for confining said sample within a predetermined portion of said porous medium, said nonporous region defining said predetermined portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of spectroscopically analyzing a sample comprising the steps:
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a) transmitting infrared radiation through a sample that has been applied to the predetermined portion of a device for holding a sample to be spectroscopically analyzed, said device comprising a porous medium for receiving said sample, and a nonporous region for confining said sample within a predetermined portion of said porous medium, said nonporous region defining said predetermined portion; and b) analyzing the radiation transmitted through said sample and said porous medium. - View Dependent Claims (21, 22, 23)
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24. A method of spectroscopically analyzing a sample comprising the steps:
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a) transmitting infrared radiation through a sample that has been applied to the predetermined portion of a device for holding a sample to be spectroscopically analyzed, said device comprising a porous medium for receiving said sample, and a nonporous region for confining said sample within a predetermined portion of said porous medium, said nonporous region defining said predetermined portion, and a frame comprising an upper surface, a lower surface, and at least one aperture extending from said upper surface through said lower surface, said porous medium being held within said frame and extending across said aperture; and b) analyzing the radiation transmitted through said sample and said porous medium. - View Dependent Claims (25, 26, 27)
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Specification