固相萃取-气相色谱-质谱法测定水中10种嗅味物质的含量
SPE-GC-MS Determination of 10 Odorous Materials in Water
摘 要
水样经HLB固相萃取小柱萃取，用二氯甲烷2 mL洗脱，所得洗脱液用HP-5MS毛细管色谱柱分离，在全扫描和选择离子监测模式下进行质谱测定。10种嗅味物质在一定的质量浓度范围内与其对应的峰面积呈线性关系，方法的检出限（3S/N）在0.50~1.0 μg·L-1之间。以空白样品为基体进行加标回收试验，所得回收率在88.7%~113%之间，测定值的相对标准偏差（n=6）在2.0%~6.7%之间。
固相萃取
嗅味物质
水
GC-MS
solid phase extraction
odorous materials
water
Abstract
The water sample was extracted on HLB solid phase extraction column, and then eluted with 2 mL of dichloromethane. The eluate was then separated by GC on HP-5MS capillary chromatographic column, and the analytes were determined by MS under the modes of full-scanning and selected ion monitoring. Linear relationships between values of peak area and mass concentration of the 10 odorous materials were kept in definite ranges. Detection limits (3S/N) found were ranged from 0.50 to 1.0 μg·L-1. On the base of blank sample, test for recovery was made by standard addition method, values of recovery found were in the range of 88.7%-113%, with RSD's (n=6) in the range of 2.0%-6.7%.
中图分类号 O657.63 DOI 10.11973/lhjy-hx201705002
所属栏目 试验与研究
基金项目 国家水体污染控制与治理科技重大专项（2012ZX07404-003）；国家科技惠民工程（2013GS370202）；山东省“饮用水安全保障技术”泰山学者建设工程专项（ts200640025）
收稿日期 2016/4/25
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备注冯桂学(1983-),女,山东德州人,工程师,硕士,主要从事水质检测技术研究
引用该论文: FENG Guixue,LIU Li,DUN Mina,ZHAO Qinghua,SUN Shaohua,JIA Ruibao. SPE-GC-MS Determination of 10 Odorous Materials in Water[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2017, 53(5): 502～506
冯桂学,刘莉,顿咪娜,赵清华,孙韶华,贾瑞宝. 固相萃取-气相色谱-质谱法测定水中10种嗅味物质的含量[J]. 理化检验－化学分册, 2017, 53(5): 502～506
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【9】马晓雁,李军,李青松,等.杭州市水源中藻类衍生嗅味污染及其释放特征[J].浙江大学学报(工学版), 2014,48(5):858-864.
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【13】CHEN X C, LUO Q, YUAN S G, et al. Simultaneous determination of ten taste and odor compounds in drinking water by solid-phase microextraction combined with gas chromatography-mass spectrometry[J]. Journal of Environmental Sciences, 2013,25(11):2313-2323.
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