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| 微波消解-石墨炉原子吸收光谱法测定9种中药材中微量元素含量 | |
| 引用本文： | 何佩雯,杜钢,赵海誉,王一涛. 微波消解-石墨炉原子吸收光谱法测定9种中药材中微量元素含量[J]. 中华中医药杂志, 2011, 0(2): 271-274 |
| 作者姓名： | 何佩雯 杜钢 赵海誉 王一涛 |
| 作者单位： | 澳门大学中华医药研究院; |
| 基金项目： | 澳门特别行政区科学技术发展基金(No.049/2005/A-R1); 澳门大学RC项目(No.UL016/09-Y1/CMS/WYT01/ICMS)~~ |
| 摘 要： | 目的:建立石墨炉原子吸收分光光度计法测定9种中药材中钴、锰、锡和钒的含量。方法:采用微波消解,配合石墨炉程序升温及冷原子吸收法测定三七、葛根、虎杖、丹参、川芎、当归、黄连、大黄、苦参中的4种微量元素。结果:方法线性关系良好,相关系数r>0.995,精密度[RSD(%),n=5]为0.8%-1.8%,平均回收率84.46%-115.60%。结论:该方法快速、干扰少、精密度高,能满足中药材中微量元素含量的测定。 |
| 关 键 词： | 石墨炉原子吸收光谱法 微波消解 重金属 中药材 |
Determination of four mineral elements in nine Chinese medicines by graphite furnace atomic absorption spectrometry coupled with microwave digestion |
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| HE Pei-wen,DU Gang,ZHAO Hai-yu,WANG Yi-tao. Determination of four mineral elements in nine Chinese medicines by graphite furnace atomic absorption spectrometry coupled with microwave digestion[J]. China Journal of Traditional Chinese Medicine and Pharmacy, 2011, 0(2): 271-274 | |
| Authors: | HE Pei-wen DU Gang ZHAO Hai-yu WANG Yi-tao |
| Affiliation: | HE Pei-wen,DU Gang,ZHAO Hai-yu,WANG Yi-tao(Institute of Chinese Medical Sciences,University of Macau,Macau,China) |
| Abstract: | Objective: A graphite furnace atomic absorption spectrometry(GF-AAS) method were developed for determination of Cobalt(Co),Manganese(Mn),Tin(Sn) and Vanadium(V) in Chinese medicine.Methods: After microwave digestion,sample diluted by matrix modifiers respectively,four mineral elements were directly determined in Radix et rhizoma notoginseng,Radix et rhizome salviae miltiorrhizae,Rhizoma et radix polygoni cuspidate,Radix puerariae lobatae,Rhizoma Chuanxiong,Radix angelicae sinensis,Rhizoma copidis,Radix rhiz... |
| Keywords: | Graphite furnace atomic absorption spectrometry Microwave digestion Heavy metal Chinese medicine |
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