Determination of Germanium in 2 Mongolian Drugs by Differential Pulse Polarography and Their Differences in Infrared Spectra
摘 要
采用差示脉冲极谱法,以3,4-二羟基苯甲醛的0.072 mol·L-1硫酸溶液作为底液,在峰电位为-0.53 V(vs.Ag/AgCl),锗(Ⅳ)浓度在1.03×10-5~1.04×10-4mol·L-1范围内与峰电流呈线性关系.据此测定了阿嘎日-35和阿嘎日-8中总锗、无机锗、有机锗含量,并利用红外光谱比较了两种蒙药的红外谱图的差异,据此可对两种蒙药予以区别.
Abstract
In a base solution of 3,4-dihydroxybenzaldehyde in 0.072 mol·L-1 H2SO4,Ge(Ⅳ) was determined by differential pulse polarography at peak potential of -0.53 V (vs.Ag/AgCl).Linear relationship was kept between the peak current and concentration of Ge(Ⅳ) in the range from 1.03×10-5-1.04×10-4mol·L-1.The proposed method was applied to the determination of total germanium,inorganic germanium and organic germanium in 2 Mongolian Drugs,namely.A-Ga-Ri-35 and A-Ga-Ri-8.In a study of the 2 drugs by Fourier transform-infrared spectrometry,significant differences were found in their IR spectra,on the base of which,the above mentioned 2 drugs could be differentiated.
中图分类号 O657.1 O657.33
所属栏目 工作简报
基金项目 内蒙古自治区高校科学研究项目(NJ02070)
收稿日期 2006/10/19
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备注张力(1954-),女,内蒙古通辽人,教授,主要从事分析化学研究.
引用该论文: ZHANG Li,BAO Yu-min,XIONG De-cheng,GAO Wa. Determination of Germanium in 2 Mongolian Drugs by Differential Pulse Polarography and Their Differences in Infrared Spectra[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2008, 44(2): 173~174
张力,包玉敏,熊德成,高娃. 两种蒙药中锗的差示脉冲极谱测定及其红外光谱的差异[J]. 理化检验-化学分册, 2008, 44(2): 173~174
被引情况:
【1】周建,朱利亚,赵青, "锗分析方法的研究进展",理化检验-化学分册 48, 122-128(2012)
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参考文献
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