Determination of Thirteen Metal Elements in the Plant Foeniculum Vulgare Mill. by Flame Atomic Absorption Spectrophotometry
XUE Guo-qing1, LIU Qing2, HAN Yu-qi1, WEI Hui-guang1, DONG Ting1
1. Department of Chemistry, Key Laboratory of Resources and Environment Chemistry of West China, Hexi University, Zhangye 734000, China 2. The 4th Geoteam of the Gansu Non-Ferrous Geoexploration Bureau, Zhangye 734012, China
Abstract：The objective of the paper is to determine the amount of metal elements of Na, K, Mg, Ca, Cu, Zn, Mn, Fe, Co, Ni, Cd, Cr and Pb in the planted Foeniculum vulgare Mill. by flame atomic absorption spectrophotometry(FAAS), after the cinefaction and the digestion with HNO3-HClO4(φ 4∶1) at 90-95 ℃ and normal pressure. The optimum parameters of FAAS and the effects of solution medium on the results were investigated. The analytical results show that the amount of Na, K, Mg, Ca, Mn, Fe, Cu, Zn and Pb was 1 508.7, 27 653.0, 2 036.0, 4 848.1, 24.8, 323.5, 15.2, 23.7 and 10.8 μg·g-1,respectively, and that of Co, Ni, Cd and Cr was not checked out in the samples. The recovery of standard addition is 97.45%-102.50%, the relative standard deviation(n=9) was 0.34%-2.77%. The characteristic method is quick, simple and convenient and the results are satisfactory.
Key words：FAAS;Planted foeniculum vulgare Mill;Metal element
薛国庆1,刘青2,韩玉琦1,魏惠广1,董婷1. 火焰原子吸收法测定栽培小茴香中13种金属元素含量[J]. 光谱学与光谱分析, 2006, 26(10): 1935-1938.
XUE Guo-qing1, LIU Qing2, HAN Yu-qi1, WEI Hui-guang1, DONG Ting1. Determination of Thirteen Metal Elements in the Plant Foeniculum Vulgare Mill. by Flame Atomic Absorption Spectrophotometry. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(10): 1935-1938.
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