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Analytical tools and near infrared spectroscopy methods for near infrared spectroscopy
Analytical tools and near infrared spectroscopy methods for near infrared spectroscopy
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机译：用于近红外光谱的分析工具和近红外光谱方法
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摘要
PROBLEM TO BE SOLVED: To provide an analytical tool for near infrared spectroscopic analysis and an analytical method for facilitating cleaning by having a large aperture area for housing a sample aqueous solution and inexpensive by preventing rises in measurement costs.;SOLUTION: A measuring unit 3 is used for irradiating infrared rays to a solid sample and measuring their regularly reflected light. A miniature test tube 6 housing a sample aqueous solution is vertically raised in a test tube stand 9 on a sample base 4. In other words, the sample aqueous solution 7 is housed in the miniature test tube 6 having an inner diameter between 2-5 mm, and a cylindrical SUS reflector 8 for setting an optical path length is submerged in the sample aqueous solution 7. Near infrared rays to be irradiated from a light-emitting part diagonally below on the left side are transmitted through bottom-wall glass of the miniature test tube 6, made incident into the sample aqueous solution 7, reflected into the sample aqueous solution 7 by the cylindrical SUS reflector 8, transmitted through the bottom-wall glass of the miniature test tube 6, received by a light-receiving part diagonally below on the right side, and transmitted through the sample aqueous solution 7 having a set optical path length to obtain an absorption spectrum of the near infrared rays.;COPYRIGHT: (C)2010,JPO&INPIT
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