DIRECT READING ICP-AES DETERMINATION OF TOTAL HEAVY METALS IN TEXTILES
摘 要
采用干法灰化法处理纺织品样品,以全谱直读ICP-AES法对纺织品中铅、镉、砷、铜、钴、镍、铬、锑等重金属元素进行同时测定.方法的相对标准偏差为1.56%-9.62%,各元素的加标回收率为83.2%-108.4%.该方法准确、可靠,完全可以满足日常检测的需要.
Abstract
The optimum conditions for the ICP-AES determination of total heavy metals in textiles,including the pretreatment of samples,the working parameters of instrument,were studied and described.The dry-ashing method of sample treatment was modified by adding magnesium nitrate solution as an assisting reagent,by igniting at 530 ℃ in a muffle furnace for 2-5 h to ash the sample completely and finally by dissolving the ignited residue with nitric acid.The heavy metals (Pb,Cd,As,Cu,Co,Ni,Cr,Sb etc) ions in the solution were then determined by ICP-AES.RSD′s and recoveries of this method were found in the ranges of 1.56%-9.62%,and 83.2%-108.4% respectively.
中图分类号 O657
所属栏目 工作简报
基金项目
收稿日期 2005/2/16
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备注郭维(1965-),男,天津人,工程师,学士学位,主要从事生态纺织品的检测和研究工作.
引用该论文: GUO Wei,YU Tao,YAN Jing,WANG Hui-min,LIU Jia-you,LIU Hong. DIRECT READING ICP-AES DETERMINATION OF TOTAL HEAVY METALS IN TEXTILES[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2006, 42(7): 547~549
郭维,于涛,闫婧,王慧敏,刘家有,刘红. 全谱直读ICP-AES法测定纺织品中重金属总量[J]. 理化检验-化学分册, 2006, 42(7): 547~549
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参考文献
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【2】GB/T 17593-1998,纺织品重金属离子检测方法原子吸收分光光度法[S].
【3】鲁道夫·博克著.分析化学中试样分解方法手册[M].吴湘澎译.北京:中国标准出版社,1987.
【2】GB/T 17593-1998,纺织品重金属离子检测方法原子吸收分光光度法[S].
【3】鲁道夫·博克著.分析化学中试样分解方法手册[M].吴湘澎译.北京:中国标准出版社,1987.
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