【摘要】 [目的]建立密闭电石炉尾气中羰基硫(COS)检测的气相色谱法。[方法]用100ml玻璃注射器采集COS气体,注入HC-6型微量磷硫气相色谱分析仪,经GDX-104色谱柱分离后,应用火焰光度气相色谱法进行检测。[结果]该方法的线性检测范围为0.0003～2.0000mg/m3,线性方程为y=36.7020+2.2632x(R=0.99959),RSD为2.10%～4.79%,最低检出限为0.0003mg/m3。[结论]该方法快捷、灵敏度高、结果准确、稳定性好,适合密闭电石炉尾气中COS的测定。更多还原

【Abstract】 [Objective]The paper aims to establish a gas chromatography method for the determination of Carbonyl sulfide in carbide furnace gas.[Method]Carbonyl sulfide collected with 100 ml glass injector was injected into the HC-6 gas chromatography,then the sample was separated by the column of GDX-104 and detected by gas chromatography with the flame photometric detector.[Result]The linear range was 0.000 3-2.000 0 mg/m3,the linear equation was y=36.702 0+2.263 2x(R=0.999 59),RSD was 2.10%-4.79%,the lowest detected concentration was 0.000 3 mg/m3.[Conclusion]This method is rapid,sensitive,accurate,stable and applicable to the determination of Carbonyl sulfide carbide furnace gas.更多还原