| 微波消解石墨炉原子吸收光谱法测定茶叶中镍 |
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| 引用本文： | 郑国庚,李美.微波消解石墨炉原子吸收光谱法测定茶叶中镍[J].安徽农业科学,2011(19):11924-11924,11941. |
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| 作者姓名： | 郑国庚 李美 |
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| 作者单位： | 浙江省饮用水质量检验中心;安徽师范大学环境科学与工程学院; |
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| 摘 要： | 目的]利用微波消解石墨炉原子吸收法测定茶叶中镍含量。方法]分别从消解液和样品消解量方面进行消解条件的优化,以建立最适合的消解方法。结果]茶叶样品以5ml HNO3-2ml H2O2混合体系为消解液,坡度升温方式微波高压密闭消解结合石墨炉原子吸收光谱法测定,样品检出限为0.15μg/g,回收率为97.8%,RSD为1.9%。结论]该方法简单快速,效率高,劳动强度低,是进行茶叶中镍元素测定的高效方法。
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| 关 键 词： | 茶叶 微波消解 石墨炉原子吸收光谱法 镍 |
Determination of Nickel in Tea by Graphite Furnace Atomic Absorption Spectrometry with Microwave Digestion |
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| ZHENG Guo-geng et al.Determination of Nickel in Tea by Graphite Furnace Atomic Absorption Spectrometry with Microwave Digestion[J].Journal of Anhui Agricultural Sciences,2011(19):11924-11924,11941. |
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| Authors: | ZHENG Guo-geng |
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| Institution: | ZHENG Guo-geng et al(Zhejiang Drinking Water Quality Inspection Center,Hangzhou,Zhejiang 311700) |
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| Abstract: | Objective]The study aimed to determine the nickel in tea by using the graphite furnace atomic absorption spectrometry(GFAAS) with microwave digestion.Method]The digestion conditions were optimized separately from the digestion fluid and sample digestion quantity to establish the most appropriate digestion method.Result]When 5 ml HNO3-2 ml H2O2 mixed system was taken as the digestion liquid for digesting the tea samples and the GFAAS combined with the microwave high-pressure airtight digestion under slope... |
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| Keywords: | Tea Microwave digestion Graphite furnace atomic absorption spectrometry(GFAAS) Nickel |
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