电感耦合等离子体发射光谱法测定蚕蛹、蝎子、海肠中20种元素含量
Determination of 20 Elements in Silkworm Chrysalis,Scorpion and Sea Intestine By ICP-AES
摘 要
采用电感耦合等离子体发射光谱法(ICP-AES)直接快速测定蚕蛹、蝎子、海肠中20种元素含量,采用微波炉消解样品,试验了微波消解的条件.并对微波消解溶样和常规酸法溶样分别进行了测定和比较.方法的检出限为0.01~0.12 mg·L-1,相对标准偏差为1.4%~4.6%.
蚕蛹
蝎子
海肠
多元素分析
微波消解
ICP-AES
Silkworm chrysalis
Scorpion
Sea intestine
Multi-element analysis
Micro wave-assisted digestion
Abstract
Samples of silkworm chrysalis,scorpion and sea intestine were prepared by micro wave-assisted digestion and 20 elements in the prepared sample solution were then determined by ICP-AES.Conditions of digestion were experimentally selected.The results of the presented method were compared with those of the conventional acid degestion.The presented method was simple to operate and has a high sensitivity and low detection limits of 0.01-0.12 mg·L-1.RSD′s of the method were in the range of 1.4%-4.6%.
中图分类号 O637.31
所属栏目 工作简报
基金项目
收稿日期 2006/8/25
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备注李珊(1962-),女,青岛市人,副教授,主要研究方向为海洋生物有效成份提取和检测.
引用该论文: LI Shan. Determination of 20 Elements in Silkworm Chrysalis,Scorpion and Sea Intestine By ICP-AES[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2007, 43(10): 866～867
李珊. 电感耦合等离子体发射光谱法测定蚕蛹、蝎子、海肠中20种元素含量[J]. 理化检验－化学分册, 2007, 43(10): 866～867
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参考文献
【1】周危克.微量元素铜、硒、锌、氟、碘、锰的营养生化及病理学研究进展[J].微量元素,1991,35(2):5．
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