微波消解样品-在线稀释进样-原子吸收光谱法测定锂电池中锂
AAS Determination of Lithium in Lithium Cell with Microwave Assisted Sample Digestion and On-line Dilution Sample Introduction
摘 要
样品经微波消解及在线稀释进样,采用火焰原子吸收光谱法测定锂电池中锂的含量.在优化的试验条件下,锂的线性范围为0.01~2.5 mg·L-1.该法用于测定锂电池中锂的含量,回收率在94.0%~104.0%之间,相对标准偏差(n=7)在1.6%~4.5%之间.
在线稀释
原子吸收光谱法
锂电池
锂
Microwave digestion
On-line dilution
AAS
lithium cell
Lithium
Abstract
The sample of lithium cell was treated with microwave digestion system and the sample solution was introduced by on-line dilution system.The content of lithium was determined by AAS.Under the optimized conditions,linearity range of lithium was kept from 0.01 mg·L-1 to 2.5 mg·L-1.The proposed method was applied to the determination of lithium in lithium cell,giving values of recovery in the range of 94.0%-104.0% and RSD (n=7) in the range of 1.6%-4.5%.
中图分类号 O657.31
所属栏目 工作简报
基金项目 国家质量监督检验检疫总局科研计划项目(2005B065.2)
收稿日期 2009/8/25
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备注赵泉(1969-),男,哈尔滨人,高级工程师,硕士,从事光谱、质谱分析研究.
引用该论文: ZHAO Quan,YUE Da-lei,ZHONG Zhi-guang,TANG Zhi-kun,LIANG Gui-lan,XIAO Da-hui,ZHANG Shao-ping,ZHU Bin. AAS Determination of Lithium in Lithium Cell with Microwave Assisted Sample Digestion and On-line Dilution Sample Introduction[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2010, 46(4): 379～380
赵泉,岳大磊,钟志光,唐志锟,梁桂兰,萧达辉,张少萍,朱彬. 微波消解样品-在线稀释进样-原子吸收光谱法测定锂电池中锂[J]. 理化检验－化学分册, 2010, 46(4): 379～380
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参考文献
【1】郑宏军.MAX1758构成锂离子电池充电控制器的设计[J].电子技术,2004(5):41-43．
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