引用本文:朱玉艳.顶空-气相色谱法测定地表水中6种乙酸酯类化合物[J].环境监控与预警,2017,9(4):32-34
ZHU Yu yan.Determination of Acetic Acid Esters in Surface Water by Headspace Gas Chromatography[J].Environmental Monitoring and Forewarning,2017,9(4):32-34
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顶空-气相色谱法测定地表水中6种乙酸酯类化合物
朱玉艳
泰安市环境保护监测站,山东 泰安 271000
摘要:
采用顶空-气相色谱法测定地表水中乙酸酯类化合物,并对顶空瓶的加热温度、平衡时间进行优化。优化后,方法在6种乙酸酯类化合物质量浓度0.05~1.00 mg/L范围内线性良好,检出限为4.49~58.5 μg/L,RSD为0.61%~2.51%,加标回收率为96.5%~104%,方法便捷、环保、经济,适用于地表水中乙酸酯类的检测。
关键词:  气相色谱法  顶空进样  乙酸酯类化合物
DOI:
分类号:X832;O657.7+1
文献标识码:B
基金项目:
Determination of Acetic Acid Esters in Surface Water by Headspace Gas Chromatography
ZHU Yuyan
Taian Environmental Protection Monitoring Station, Taian, Shandong 271000, China
Abstract:
A method for the determination of acetic acid esters in surface water by headspace gas chromatography was developed. The heating temperature and equilibration time of the headspace bottle were optimized. After optimization, the method showed good linearity in the mass concentration range of 0.05~1.00 mg/L, the detection limits were 4.49~58.5 μg/L, the RSD ranged from 0.61%~2.51%, and the recovery rates were between 96.5%~104%. The method is convenient, environment-friendly, economic, and suitable for the determination of acetate esters in surface water.
Key words:  Gas chromatography  Headspace sampling  Acetic acid esters