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煤气中硫化氢含量的毛细管柱色谱法
煤气中硫化氢含量的毛细管柱色谱法 详细信息：

固定相：专用

规格：30m*0.53mm

型号：HH-Sulfur-30

应用：H2S/COS/SO2/CS2测定

滕州市浩瀚色谱仪器技术服务有限公司，对气相色谱法测定煤气中硫化氢含量进行了系统研究,采用高惰性的聚氟乙烯(PVF)气体采样袋替代湿式气体流量计和吸收瓶,简化了采样操作。采用60 m低硫毛细管色谱柱和FPD检测器,分离、分析了焦炉煤气中H_2S、COS、CS_2、噻吩四种主要硫化物。采用优化的VI进样口和特殊的硫钝化管线,提高了仪器灵敏度,方法检出限可达1mg/Nm~3。采用多点校正及二次曲线拟合,测量范围从10 mg/Nm~3到300 mg/Nm~3,并与碘量法测定煤气中硫化氢进行比对,经过度试验,准确度验证,证明此方法简便快捷、准确,满足痕量分析的要求。

煤气中硫化氢含量的毛细管柱色谱法 图片：



Capillary column chromatography of hydrogen sulfide in gas
Capillary Column Chromatography of Hydrogen Sulfide in Gas Details:

Stationary phase: dedicated
Specification: 30m*0.53mm
Model: HH-Sulfur-30
Application: H2S/COS/SO2/CS2 determination


Tengzhou Haohao Chromatography Instrument Technology Service Co., Ltd. systematically studied the determination of hydrogen sulfide in gas by gas chromatography, and replaced the wet gas flow meter and absorption bottle with a highly inert polyvinyl fluoride (PVF) gas sampling bag, simplifying sampling. operating. The main sulfides of H_2S, COS, CS_2 and thiophene in coke oven gas were separated and analyzed by 60 m low sulfur capillary column and FPD detector. The optimized VI inlet and special sulfur passivation pipeline improve the sensitivity of the instrument, and the detection limit of the method can reach 1mg/Nm~3. Multi-point calibration and quadratic curve fitting were used. The measurement range was from 10 mg/Nm~3 to 300 mg/Nm~3, and the hydrogen sulfide in the gas was compared by iodometric method. After precision test, the accuracy was verified. It proves that this method is simple, fast, accurate and reliable, and meets the requirements of trace analysis.

Capillary column chromatography of hydrogen sulfide in gas

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