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《化学分析计量》 2022年第02期
DOI:10.3969/j.issn.1008-6145.2022.02.007
电感耦合等离子体质谱法快速筛查婴童用品中六价铬迁移量
顾颖,唐明,王成龙,钱志娟,王瓒,冯杰,沈洁
南京海关轻工产品与儿童用品检测中心,江苏扬州 225009 
Rapid screening of hexavalent chromium migration in infant and child products by ICP-MS
顾颖,唐明,王成龙,钱志娟,王瓒,冯杰,沈洁
Nanjing Customs District Light Industry Products and Children's Products Inspection Center, Yangzhou 225009, China 
摘要:建立电感耦合等离子体质谱法快速筛查婴童用品中六价铬的迁移量。选取不同种类的婴童用品材料,用0.07 mol/L盐酸萃取液接触提取后,采用电感耦合等离子体质谱仪分析萃取液中总铬含量,对六价铬进行初筛测试。结果表明,铬的质量浓度在0~500μg/L范围内与信号强度有良好的线性关系,相关系数为0.999 9,检出限为0.18 μg/L,定量限为0.61μg/L。样品测定结果的相对标准偏差为2.18%~4.39%(n=7),加标回收率为90.6%~96.9%。该方法满足六价铬快速筛查的要求。 
Abstract:A method for rapid screening of hexavalent chromium migration in infant and child products by inductively coupled plasma mass spectrometry (ICP-MS) was established. Different kinds of baby and children's products were selected. After contact extraction with 0.07 mol/L hydrochloric acid extract, the content of total chromium in the extract was analyzed by inductively coupled plasma mass spectrometry, and the primary screening test of hexavalent chromium was carried out. The results showed that the mass concentration of chromium had a good linear relationship with signal intensity in the range of 0-500μg/L. The correlation coefficient was 0.999 9, and the detection limit was 0.18μg/L, the limit of quantitation was 0.61μg/L. The relative standard deviations of the determination results were 2.18%-4.39%(n=7), and the recoveries were 90.6%-96.9%. The method meets the requirements of rapid screening of hexavalent chromium. 
关键词:总铬;六价铬;婴童用品;快速筛查;电感耦合等离子体质谱法 
Keywords:total chromium; hexavalent chromium; infant and child products; rapid screening; ICP-MS 
基金:南京海关科研项目(2020 KJ33) 
本文引用格式:
顾颖,唐明,王成龙,等.电感耦合等离子体质谱法快速筛查婴童用品中六价铬迁移量[J].化学分析计量,2022,31(2):30.
GU Ying,TANG Ming,WANG Chenglong,et al. Rapid screening of hexavalent chromium migration in infant and child products by inductively coupled plasma mass spectrometry[J]. Chemical Analysis and Meterage,2022,31(2):30. 

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