石油化工产品中氯含量的测定方法对比研究

Comparative Study on Determination Methods of Chlorine Content in Petrochemical Products

文章主要介绍了联苯钠还原电位滴定法、燃烧氧化微库仑计法、单波长色散X射线荧光光谱法、烧瓶燃烧法、微库仑法测定油品中氯含量的原理,从测定原理、主要设备、适用范围等方面比对五种检测方法,并重点分析了常用的燃烧氧化微库仑计法、单波长色散X射线荧光光谱法和微库仑法的试验条件、影响因素和加标回收率,比较这三种检测方法的优缺点。

The article mainly introduces the principle of sodium biphenyl reduction potentiometric titration,combustion oxidation microcoulomb counter method,single wavelength dispersive X-ray fluorescence spectrometry,flask combustion method and microcoulomb method for the determination of chlorine content in oil products.Five detection methods are compared in terms of main equipment and scope of application,and the test conditions,influencing factors and standard addition recovery rate of commonly used combustion oxidation microcoulometer method,single wavelength dispersive X-ray fluorescence spectrometry and microcoulomb method are analyzed..