不同毛细柱下气相色谱法对水中甲基汞的测定探究  被引量:2

Research on Determination of Methyl Mercury by DifferentCapillary Column Gas Chromatography

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作  者:张君辉 ZHANG Jun-hui(Jiangxi Environmental Monitoring Center Station,Nanchang 330077,China)

机构地区:[1]江西省环境监测中心站,江西南昌330077

出  处:《江西农业学报》2020年第12期106-110,共5页Acta Agriculturae Jiangxi

基  金:国家自然科学基金项目“农业汇水区反硝化脱氮速率对周丛生物的响应机制与高光谱识别”(41867020)。

摘  要:采用Elite-5MS色谱柱气相色谱法和HTHG-PW15S色谱柱气相色谱法两种方法对水体中甲基汞进行测定,两种方法所测定的标准曲线线性相关性较好,准确度较高,均可用于水体中甲基汞的测定。其中Elite-5MS色谱柱气相色谱法适用于水体中浓度较高情况下甲基汞的检测,HTHG-PW15S色谱柱气相色谱法适用于水体中浓度较低情况下甲基汞的检测。Methylmercury in water was determined by Elite-5MS chromatographic column gas chromatography and HTHG-PW15S chromatographic column gas chromatography.The standard curve determined by the two methods had better linear correlation and better accuracy,which could be used for the determination of methylmercury in water.Among them,Elite-5MS chromatographic column gas chromatography was suitable for the detection of methyl mercury in the case of high concentration in water,and HTHG-PW15S chromatography column gas chromatography was suitable for the detection of methyl mercury in the case of low concentration in water.

关 键 词:色谱柱 气相色谱法 甲基汞 

分 类 号:O657.7.1[理学—分析化学]

 

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