Determination of 4 Alcohol Ether Esters in Ambient Air and Waste Gas by Gas Chromatography with Carbon Disulfide Desorption
摘 要
将采集了30 L废气或环境空气的活性炭吸附管转移至具塞玻璃试管中,加入1.00 mL二硫化碳,静置解吸30 min。以HP-WAX毛细管柱为固定相,在柱升温程序下分离丙二醇甲醚乙酸酯、乙二醇乙醚乙酸酯、乙二醇丁醚乙酸酯、二乙二醇丁醚乙酸酯。结果表明:4种醇醚酯类化合物的质量浓度分别在1.00~20.0 mg·L-1和10.0~200 mg·L-1内与对应的峰面积呈线性关系,检出限(3.143s)为0.007~0.008 mg·m-3;按照标准加入法进行回收试验,回收率为77.9%~93.5%,测定值的相对标准偏差(n=6)为3.2%~15%。
Abstract
The activated carbon adsorption tube collected 30 L of waste gas or ambient air was transferred into a glass tube with stopper, and 1.00 mL of carbon disulfide was added for settling desorption for 30 min. The HP-WAX capillary column was used as stationary phase, and propylene glycol methyl ether acetate, ethylene glycol ethyl ether acetate, ethylene glycol butyl ether acetate and diethylene glycol butyl ether acetate were separated under the column heating program. It was shown that linear relationships between the mass concentrations and peak areas of the 4 alcohol ether esters were kept in the ranges of 1.00-20.0 mg·L-1 and 10.0-200 mg·L-1, with detection limits (3.143s) in the range of 0.007-0.008 mg·m-3. Test for recovery was made by standard addition method, giving results in the range of 77.9%-93.5%, and RSDs (n=6) of the determined values ranged from 3.2% to 15%.
中图分类号 O657.7 DOI 10.11973/lhjy-hx202310005
所属栏目 工作简报
基金项目
收稿日期 2023/2/3
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联系人作者崔连喜(clxtemc@163.com)
备注王艳丽,高级工程师,硕士,主要从事环境有机物监测与方法研究
引用该论文: WANG Yanli,CUI Lianxi. Determination of 4 Alcohol Ether Esters in Ambient Air and Waste Gas by Gas Chromatography with Carbon Disulfide Desorption[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2023, 59(10): 1139~1143
王艳丽,崔连喜. 二硫化碳解吸-气相色谱法测定环境空气和废气中4种醇醚酯类化合物的含量[J]. 理化检验-化学分册, 2023, 59(10): 1139~1143
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参考文献
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【2】陈小方.集装箱制造业挥发性有机物排放特征研究[D].广州:华南理工大学, 2018.
【3】骆秋云,曾细嫦,谷素英,等.气相色谱-质谱联用法测定工作场所空气中的12种乙二醇醚类化合物[J].中国卫生检验杂志, 2017,27(17):2452-2455.
【4】谢玉璇,毛亚菲,刘奋,等.溶剂解吸-气相色谱法同时测定工作场所空气中乙酸乙烯酯和甲基丙烯酸甲酯[J].中国职业医学, 2015,42(3):314-317.
【5】胡凯,皮伟,刘洋,等.二氯甲烷作为解吸液气相色谱法测定乙酸酯类物质[J].中国工业医学杂志, 2018,31(5):390-392.
【6】高岩,姜汉硕,王丹.热解吸气相色谱法测定工作场所空气中乙酸甲酯和乙酸乙酯[J].中国卫生检验杂志, 2006,16(2):175-176.
【7】施琴芝,高飞,周彦凯,等.废气中乙酸酯类的热脱附GC-MS测定法[J].广州化工, 2019,47(13):130-132.
【8】翟海涛,赵晓琳.热脱附-气相色谱法同时测定空气中4种乙酸酯类化合物[J].环境保护与循环经济, 2019,39(6):53-55.
【9】戎伟丰,何嘉恒,凌伟洁,等.溶剂解吸-气相色谱法测定工作场所空气中丙二醇甲醚乙酸酯[J].中国职业医学, 2013,40(4):358-360.
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