Determination of Arsenic in Panax notoginseng(Burk.)F.H.Chen by Heteromolybdoarsenic Acid Spectrophotometry

被引：0
|
作者：
CHEN Rui2
2. College of Science
机构：
来源：
Medicinal Plant | 2011年 / 01期
关键词：
Heteromolybdoarsenic acid spectrophotometry; Panax notoginseng (Burk.)F.H.Chen; Arsenic; China;
D O I：
暂无
中图分类号：
O657.3 [光化学分析法（光谱分析法）]; R284 [中药化学];
学科分类号：
070302 ; 081704 ; 1008 ;
摘要：
[Objective] To obtain a rapid determination method for arsenic from Panax notoginseng(Burk.)F.H.Chen. [Method] Content of As was determined by heteromolybdoarsenic acid spectrophotometry, and the color-developing conditions were optimized. [Result] The optimum coloration conditions were : color-developing agent amount of 5.0 ml, color developing temperature of 40 ℃ and developing duration of 30 min. When the concentration of standard As Ⅲ solution ranged from 0 to 0.04 μg/ml, the linear relationship between concentration and absorbance was good (r=0.996 6). Arsenic was not detected in all the samples. [Result] High in precision and good in stability, the method can be used as the determination method for As from Panax notoginseng (Burk.) F.H.Chen.
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页码：22 / 23 +27
页数：3
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