| 半灰化-微波消解-MPT-AES测定大豆皮中的金属元素 |
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| 引用本文： | 李秀萍,赵荣祥,李丽华,张金生. 半灰化-微波消解-MPT-AES测定大豆皮中的金属元素[J]. 大豆科学, 2011, 30(2): 314-317 |
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| 作者姓名： | 李秀萍 赵荣祥 李丽华 张金生 |
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| 作者单位： | 辽宁石油化工大学,化学与材料科学学院;辽宁石油化工大学,石油化工学院,辽宁,抚顺,113001 |
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| 摘 要： | 采用半灰化HNO3-H2O2消解大豆皮,微波等离子体矩原子发射光谱(MPT-AES)测定其中铁、镍、镁、钙、锌和铜的含量,同时详细考察了测定各金属元素的最佳试验条件以及介质酸和共存离子的影响.结果表明:测定铁、镍、镁、钙、锌、铜的检出限分别为22.94、7.55、0.36、0.92、16.27、2.1 ng·mL-1,...
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| 关 键 词： | 微波消解等离子体炬原子发射光谱法 大豆种皮 金属元素 |
Determination of Metallic Element in Soybean Coat by Fermentation-Microwave Digestion-Microwave after Semi-Ashing Plasma Torch Atomic Emission Spectrometry |
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| LI Xiu-ping,ZHAO Rong-xiang,LI Li-hua,ZHANG Jin-sheng. Determination of Metallic Element in Soybean Coat by Fermentation-Microwave Digestion-Microwave after Semi-Ashing Plasma Torch Atomic Emission Spectrometry[J]. Soybean Science, 2011, 30(2): 314-317 |
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| Authors: | LI Xiu-ping ZHAO Rong-xiang LI Li-hua ZHANG Jin-sheng |
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| Affiliation: | LI Xiu-ping1,ZHAO Rong-xiang2,LI Li-hua2,ZHANG Jin-sheng1(1.School of Chemistry & Material,Liaoning University of Petroleum & Chemical Technology,2.School of Petroleum & Chemical Technology,Fushun 113001,Liaoning,China) |
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| Abstract: | Soybean coat samples were digested by H2O2-HNO3 solution after semi-ashing in a closed microwave system and the determination of iron,nickel,magnesium,calcium zinc and copper in soybean coat has been performed by MPT-AES.Experimenta1 conditions were optimized and established.The effects of acid concentration and coexisting ions(K,Na,Fe,Ni,Al,Zn,M g,Ca)on determination of iron,nickel,magnesium,calcium zinc and copper were investigated.The results showed that the detection limits of iron,nickel,magnesium,calc... |
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| Keywords: | MPT-AES Soybean coat Metal element |
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