电感耦合等离子体质谱法快速测定消费品中有机锡
ICP-MS Rapid Determination of Organotin in Consumer Goods
摘 要
采用电感耦合等离子体质谱法快速测定玩具、纺织品及食品接触材料等消费品中有机锡的含量.消费品样品经甲醇超声萃取.三丁基锡的质量浓度在9.00~365 μg·L-1范围内与其光谱强度呈线性关系,方法的检出限(3s)为0.3 mg·kg-1.加标回收率在84.2%~103%之间,测定值的相对标准偏差(n=7)在2.8%~6.0%之间.
消费品
有机锡
ICP-MS
Consumer goods
Organotin
Abstract
ICP-MS was applied to the rapid determination of organotin in consumer goods such as toys,textiles,and food contact materials.Samples of consumer goods were extracted ultrasonically with methanol.Linear relationship between values of spectral intensity and mass concentration of tributyltin was kept in the range of 9.00-365 μg·L-1,with detection limit (3s) of 0.3 mg·kg-1.Values of recovery found by standard addition method were in the range of 84.2%-103%,and values of RSD′s (n=7) in the range of 2.8%-6.0%.
中图分类号 O657.63
所属栏目 工作简报
基金项目 广东出入境检验检疫局科技项目(2012GDK30)
收稿日期 2014/5/14
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联系人作者林殷(gpcanby@163.com)
备注林殷(1983-),男,广东汕头人,硕士研究生,主要从事工业品检测研究工作.
引用该论文: LIN Yin,WANG Xin-yu,DONG Ying,HONG Jing. ICP-MS Rapid Determination of Organotin in Consumer Goods[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2015, 51(5): 613～615
林殷,王新豫,董英,洪菁. 电感耦合等离子体质谱法快速测定消费品中有机锡[J]. 理化检验－化学分册, 2015, 51(5): 613～615
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参考文献
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【3】邵秋荣,孟昭建,王秀嫔,等.微波辅助提取样品-正相液相色谱法测定面粉中有机锡化合物[J].理化检验-化学分册,2013,49(1):78-80.
【4】李英,李彬,刘丽,等.气相色谱-质谱法同时测定聚氯乙烯塑料制品中的10种有机锡化合物[J].色谱,2009,27(1):69-73.
【5】付善良,张莹,肖家勇,等.在线凝胶渗透色谱-气相色谱-质谱法测定茶叶中多种有机锡化合物残留[J].分析测试技术与仪器,2010,16(4):262-264.
【6】NENG N R,SANTALLA R P,NOGUEIRA J M F.Determination of tributyltin in environmental water matrices using stir bar sorptive extraction with in-situ derivatization and large volume injection-gas chromatography-mass spectrometry[J].Talanta,2014,126:8-11.
【7】戚佳琳,杨桂朋,王兆锟,等.气相色谱-质谱法测定木材及木制品中的有机锡化合物[J].分析化学,2013,42(1):119-122.
【8】李艳明,胡勇杰,刘金华,等.测定纺织助剂中的有机锡[J].色谱,2011,29(4):353-357.
【9】EN 71-3:2013Safety of toys part 3: migration of certain elements[S].
【10】WAHLEN R,CATTERICK T.Comparison of different liquid chromatography conditions for the separation and analysis of organotin compounds in mussel and oyster tissue by liquid chromatography-inductively coupled plasma mass spectrometry[J].Journal of Chromatography B,2003,783(1):221-229.
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