| 悬浮液进样石墨炉原子吸收法测定茶叶中镍含量 |
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| 引用本文： | 陈江,周李,姚恩亲. 悬浮液进样石墨炉原子吸收法测定茶叶中镍含量[J]. 光散射学报, 2011, 23(1): 70-74 |
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| 作者姓名： | 陈江 周李 姚恩亲 |
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| 作者单位： | 湖州市环境监测中心站浙江省湖州市长兴路128号,湖州,313000 |
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| 摘 要： | 本文介绍了一种悬浮液进样石墨炉原子吸收光谱法测定茶叶中镍含量的方法.讨论了悬浮液制备、样品粒径、取样量、悬浮液酸度及扣背景方式等因素对测定结果的影响.经优化后,方法检出限为0.32mg/kg,精密度3.64%,回收率102%.方法简单快速,效率高,劳动强度低,是测定茶叶中镍含量的高效方法.
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| 关 键 词： | 悬浮液进样 石墨炉原子吸收光谱法 茶叶 镍 |
| 收稿时间： | 2010-01-04 |
Determination of Concentration of Nickel in tea by Graphite Furnace Atomic Absorption Spectrometry With Slurry Sampling |
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| CHEN Jiang,ZHOU Li,YAO En-qin. Determination of Concentration of Nickel in tea by Graphite Furnace Atomic Absorption Spectrometry With Slurry Sampling[J]. Chinese Journal of Light Scattering, 2011, 23(1): 70-74 |
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| Authors: | CHEN Jiang ZHOU Li YAO En-qin |
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| Affiliation: | (Huzhou Environmental Monitoring Centre,Huzhou 313000,China) |
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| Abstract: | The method of determining the concentration of Nickle in tea by graphite furnace atomic absorption spectrometry with slurry sampling is introduced.The effects of slurry preparation,particle size of sample,sampling quantity,acid concentration of slurry and the mode of background deduction on the determination are studied.Under the optimized operating conditions,the detection limit of this method is 0.32 mg/kg,the RSD is 3.64% and the recovery is 102%.The advantages of simple,fast and low labor intensity indicate that it is an effective method for determining the concentration of Nickel in tea. |
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| Keywords: | slurry sampling graphite furnace atomic absorption spectrometry tea Nickel |
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