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在线水分仪的各原理分析

作者:水分测定仪有限公司 来源:wszmqma.com 时间:2018-12-26 点击:次

[文章前言]:在线水分仪,非接触水分测定仪,红外水分仪,诚信如一的水分检测仪企业。青岛拓科仪器从事水分检测技术近10年,一直着力打造水分测定仪的完美品质,在不断创新中获得客户的认可

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  1、吸收原理近红外水分仪是根据近红外波长会被水分子吸收的原理,分析某特定波长的近红外能量变化。水分子不是静止的:当遇到特定的能量带时,它们会振动。水分子中两个氢原子与氧原子的键会伸展、收缩、或以其它形态扭曲。需要外来的能量引起这些振动,需要的能量遍及整个电磁光谱的特定波段。

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  2、运行原理水分仪利用的现象是:许多的物质在特定波长下吸收红外能量,而不吸收在其它波长下的红外能量。当测量受测物质的水含量时,最少选择两种波长。一种是为参照波长,不会被受测物质或水强烈吸收。另一种是为测量波长,它不会被受测物质强烈吸收,但会被水强烈吸收。

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  本文标题:在线水分仪的各原理分析  地址:http://wszmqma.com/hangye/180.html

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