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method and device for the preparation of samples for chemical analysis of fluids using infrared spectrometry of dry extracts.
method and device for the preparation of samples for chemical analysis of fluids using infrared spectrometry of dry extracts.
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机译:用干提取物的红外光谱法制备用于流体化学分析的样品的方法和装置。
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摘要
The process for the preparation of samples for chemical analysis of liquids by infrared spectroscopy of a dry extract consists in depositing or filtering liquid samples on solid supports or filters (9) and in drying them uniformly as quickly as possible by directing a homogeneous flow of hot air aimed at right angles to the surface of the filter. The filters employed as solid supports (9) are glass fibre filter discs which have been advantageously coated with a layer of microparticles of solid materials such as calcium fluoride or an ion-exchange resin.
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