石墨炉原子吸收光谱法测定大白鼠脑组织中痕量铝
Determination of Trace Amounts of Aluminum in Rat Brain by GFAAS
摘 要
采用具有横向加热石墨炉原子化器系统和纵向塞曼效应背景校正的原子吸收光谱仪测定了大白鼠脑组织中痕量铝,并探讨了相关试验条件.采用全自动进样器进行标准在线稀释绘制工作曲线,同时进行在线添加基体改进剂和在线加标回收率试验.方法的特征质量为26.2 pg,检出限为11.6 pg,相对标准偏差为3.8%,回收率为91.6%~98.2%.
大白鼠
在线
痕量测定
铝
GFAAS
Rat
On-line
Trace determination
Aluminum
Abstract
Trace amounts of aluminum in rat brain was determined by graphite furnace atomic absorption spectrometry with a transverse heating graphite atomizer (THGA) and an axial Zeeman effect background correction system.Experimental conditions were optimized.An autosampler was used on-line in all experiments for adding solutions of samples,standards and matrix modifier as well as for preparation of working curve and recovery test.The method had a charecteristic sensitivity of 26.2 pg,detection limit of 11.6 pg,values of RSD of 3.8% and recovery of 91.6%-98.2%.
中图分类号 O657.31
所属栏目 工作简报
基金项目
收稿日期 2006/9/10
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备注孙梅(1974-),女,安徽巢湖人,助理研究员,主要从事微量元素形态分析.
引用该论文: SUN Mei,CHEN Shu-yu. Determination of Trace Amounts of Aluminum in Rat Brain by GFAAS[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2007, 43(12): 1070～1072
孙梅,陈树榆. 石墨炉原子吸收光谱法测定大白鼠脑组织中痕量铝[J]. 理化检验－化学分册, 2007, 43(12): 1070～1072
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参考文献
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【3】王晓波,孔繁增.铝对人体健康研究新进展[J].环境与健康杂志,1997,14(4):184-186．
【4】李述信.原子吸收光谱分析中的干扰及消除方法[M].北京:北京大学出版社,1987:314-316．
【5】Dombovari J,Papp L,Matyus J,et al.Analysis of human blood,plasma and hair samples using ICP-OES,GFAAS and spectrographic methods[J].Magyar Kemiai Folyoirat,2000,106(5/6):230-237．
【6】龙斯华,晏衡湘,朱海娥,等.石墨炉原子吸收无标样分析法测定血样中铝的研究[J].湘潭大学学报:自然科学版,1998(3):103-107．
【7】张永志,王钢军.石墨炉原子吸收光谱仪测定香榧中铝的方法[J].浙江农业学报,2003,15(5):306-309．
【8】魏金城,贾生元.石墨炉原子吸收光谱法测定地面水中铝[J].干旱环境监测,1998,12(2):68-73．
【9】Yamagaki K,Yoshii M,Kondo M,et al.Determination of aluminium in water treatment-plant sludge by graphite-furnace AAS after extracting with 8-quinolinol-chloroform[J].Bunseki Kagaku,1997,46(1):75-79．
【10】程义勇,蒋与刚.生物医学微量元素手册[M].天津:天津科学技术出版社,1994:294．
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