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二氧化硫是大气的主要污染物之一,因而需要准确,快速,灵敏的测定方法。目前付玫瑰苯胺比色测定法是空气中二氧化硫测定的常用方法。本文叙述了一个二氧化硫紫外吸收光度测定法。作者将原子吸收分光光度计改制成无火焰冷蒸气二氧化硫紫外分光光度
Sulfur dioxide is one of the major pollutants in the atmosphere and therefore requires an accurate, rapid and sensitive assay. At present, Rose Aniline colorimetric assay is a common method for the determination of sulfur dioxide in the air. This article describes a sulfur dioxide absorption spectrophotometry. The author will be modified by atomic absorption spectrophotometer flameless cold vapor sulfur dioxide UV spectrophotometry