电感耦合等离子体质谱法测定海洋沉积物中34种痕量元素
ICP-MS Determination of 34 Trace Elements in Marine Sediments
摘 要
用电感耦合等离子体质谱法测定海洋沉积物中34种痕量元素,样品于聚四氟乙烯封闭坩埚中用氢氟酸和硝酸溶解,运用干扰方程校正光谱干扰,用内标校正消除基体影响。方法检出限(3s/k)在0.046~160 ng·g-1之间。通过分析4个海洋沉积物标准物质对所提出方法的准确度和精密度做了考核,所得测定结果与标准物质的认定值相吻合,各元素测定结果的相对标准偏差均小于10%。
海洋沉积物
痕量元素
ICP-MS
Marine sediments
Trace elements
Abstract
A method of ICP-MS for the determination of 34 trace elements in marine sediments was proposed. Samples were digested with HF and HNO3 in a closed PTFE crucible. The spectral interferences were corrected by using spectral interference equations, and interferences of the matrix elements were eliminated by addition of internal standard. Values of detection limits (3s/k) found for the 34 elements were in the range of 0.046-160 ng·g-1. Accuracy and precision of the proposed method were tested by analyzing 4 CRM′s of marine sediments, giving results in consistency with the certified values and values of RSD′s less than 10%.
中图分类号 O657.63
所属栏目 工作简报
基金项目
收稿日期 2011/2/28
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备注辛文彩(1984-),女,山东潍坊人,硕士,研究方向为光谱分析。
引用该论文: XIN Wen-cai,LIN Xue-hui,XU Lei. ICP-MS Determination of 34 Trace Elements in Marine Sediments[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2012, 48(4): 459～461
辛文彩,林学辉,徐磊. 电感耦合等离子体质谱法测定海洋沉积物中34种痕量元素[J]. 理化检验－化学分册, 2012, 48(4): 459～461
被引情况:
【1】陈小燕,吕茜茜,吴勇, "电感耦合等离子体质谱法测定含铜物料中的16种稀土元素",理化检验－化学分册 52, 545-548(2016)
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参考文献
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【2】齐剑英,张平,吴颖娟,等.电感耦合等离子体质谱法测定土壤中24种元素［J］.理化检验-化学分册, 2007,4(9):723-725．
【3】林松.微波消解-电感耦合等离子体质谱法同时测定土壤样品中八种重金属元素［J］.福建分析测试, 2008,17(3):21-23．
【4】SCHONBERG G. Simultaneous determination of thirty-seven trace elements in twenty-eight international rock standards by ICP-MS［J］. Geostandards Newsletter, 1993,17:81-97．
【5】QI Liang, HU Jing, GREGOIRE D C. Determination of trace elements in granites by inductively coupled plasma mass spectrometry［J］. Talanta, 2000,51:507-513．
【6】章新泉,易永,姜玉梅.电感耦合等离子体质谱测定地质样品中多种元素［J］.分析试验室, 2005,24(8):58-61．
【7】侯振辉,王晨香.电感耦合等离子体质谱法测定地质样品中35种微量元素［J］.中国科学技术大学学报, 2007,37(8):940-944．
【8】俞裕斌,郑晓玲,何鹰,等.微波消解-电感耦合等离子体质谱测定沉积物中的金属元素［J］.福州大学学报, 2005,33(2):244-249．
【9】JANE A E, PETER W A. Multi-element analysis of soil and sediment from Scottish Historical sites-the potential of inductively coupled plasma-mass spectrometry for rapid site investigation［J］. Journal of Archaeological Science, 1997(24):407-416．
【10】XIA Ning, WU Zhao-hui. Multielement analysis of deep-sea sediments by inductively coupled plasma mass spectrometry［J］. Journal of Ocean University of China, 2008,7(2):137-144．
【11】李冰,杨红霞.电感耦合等离子体质谱原理与应用［M］.北京:地质出版社, 2005:91-106．
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