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TESTING ELEMENT AND METHOD FOR NEXT QUANTITATIVE SPECTROSCOPIC ANALYSIS OF INFRARED
TESTING ELEMENT AND METHOD FOR NEXT QUANTITATIVE SPECTROSCOPIC ANALYSIS OF INFRARED
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机译:红外光谱的下一步定量分析的测试元素和方法
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摘要
The test element includes a support, and a constant light-path providing layer consisting essentially of a diffusely-reflecting material that is sufficiently porous in all directions as to allow a liquid to spread uniformly in all directions, and homogeneously and diffusively reflects at least 95% of near infrared (NIR) radiation. The element is free of reagents capable of reacting with the analyte, and a hydrophilic polymer layer that is both separate from the light-path providing layer, and has a thickness equal to or greater than 1 micron. The element further includes a mirror layer in-between the light-path providing layer and the support and in contact with the support. Such arrangement is effective to increase the path length of NIR radiation through the layer.
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