阳离子交换树脂分离-电感耦合等离子体原子发射光谱法测定新锆合金中六种微量元素
ICP-AES Determination of Six Trace Elements in a new Zirconium Alloy after Separation by Cation-exchange Resin
摘 要
新锆合金样品用硝酸和氢氟酸溶解,样品溶液经阳离子交换树脂使锆和铌与其他6种元素分离后,用电感耦合等离子体原子发射光谱仪测定2.0 mol·L-1硝酸洗脱液中铝、钡、铜、镍、钛和钒的含量.对分离锆和铌所用硝酸淋洗液的浓度、pH值、用量,载气流量等影响因素进行了试验.在优化的试验条件下,测得铝、钡、铜、镍、钛和钒的相对标准偏差(n=6)在3.0%~7.9%之间,回收率在93.8%~110.0%之间.
电感耦合等离子体原子发射光谱法
锆合金
微量元素
Cation-exchange resin
ICP-AES
Zirconium alloy
Trace elements
Abstract
The new zirconium alloy sample was dissolved with HNO3 and HF.Zirconium(Ⅳ) and niobium(Ⅴ) of the alloy in sample salution were separated from the 6 elements by cation-exchange resin.Contents of Al,Ba,Cu,Ni,Ti and V were determined in the eluant of 2.0 mol·L-1 HNO3 solution by ICP-AES.Influential factors,including concentration,pH and amount of eluent used to separate Zr and Nb,flow rate of carrier gas,were studied.Under the optimized experimental conditions,values of RSD′s (n=6) of Al,Ba,Cu,Ni,Ti found were in the range of 3.0%-7.9%,and values of recovery found by standard addition method were in the range of 93.8%-110.0%.
中图分类号 O657.31
所属栏目 工作简报
基金项目
收稿日期 2008/1/12
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备注侯列奇(1947-),男,辽宁本溪人,高级工程师,主要从事光谱分析工作.
引用该论文: HOU Lie-qi,LI Jie. ICP-AES Determination of Six Trace Elements in a new Zirconium Alloy after Separation by Cation-exchange Resin[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2009, 45(5): 518～519
侯列奇,李洁. 阳离子交换树脂分离-电感耦合等离子体原子发射光谱法测定新锆合金中六种微量元素[J]. 理化检验－化学分册, 2009, 45(5): 518～519
被引情况:
【1】李佗,杨军红, "电感耦合等离子体原子发射光谱法在稀有难熔金属及其合金分析中的应用",理化检验－化学分册 49, 500-504(2013)
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参考文献
【1】冶金工业部科技情报产品标准研究所.稀有金属和有色金属分析[M].北京:中国工业出版社,1971:4-14．
【2】BROWN C P,HILIES C R.Determination of trace impurities in high purity zirconium by emission spctrography[J].Can J Spectrosc,1975,20(6):145-149．
【3】马晓国,郑文裕.ICP/AES法测定高纯二氧化锆中四种微量元素[J].光谱实验室,1997,14(3):88-89．
【2】BROWN C P,HILIES C R.Determination of trace impurities in high purity zirconium by emission spctrography[J].Can J Spectrosc,1975,20(6):145-149．
【3】马晓国,郑文裕.ICP/AES法测定高纯二氧化锆中四种微量元素[J].光谱实验室,1997,14(3):88-89．
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