[A spectrophotometric method for controlling the concentration of aromatic hydrocarbons in the calibration of indicator tubes].

Problemi na khigienata Pub Date : 1995-01-01
N Panova
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引用次数: 0

Abstract

A modified spectrophotometric method is proposed for monitoring air concentrations of xylol, toluol, benzol, ethylbenzol, and chlorobenzol. The method has been introduced to control concentrations of the above aromatic hydrocarbons in calibrating indicator tubes, manufactured by the firm "Hygitest", and complies to the specific requirements for that process. There are possible applications in other areas, but further studies would be needed. The proposed method satisfies accuracy and reproducibility requirements. It successfully replaces the more laborious gas chromatographic and IR spectroscopic methods.

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[一种控制指示管中芳烃浓度的分光光度法]。
提出了一种改进的分光光度法监测空气中二甲苯、甲苯、苯、乙苯和氯苯的浓度。该方法用于控制Hygitest公司生产的校准指示管中上述芳烃的浓度,并符合该工艺的具体要求。在其他领域也有可能应用,但还需要进一步的研究。该方法满足准确度和重现性要求。它成功地取代了更费力的气相色谱和红外光谱方法。
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