| 微波消解-石墨炉原子吸收法测定茶叶中的镉含量 |
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| 引用本文： | 殷锡峰,何国柱,韦勃.微波消解-石墨炉原子吸收法测定茶叶中的镉含量[J].现代农业科技,2012(8):35-36. |
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| 作者姓名： | 殷锡峰 何国柱 韦勃 |
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| 作者单位： | 1. 江苏省镇江市农产品质量检验测试中心,江苏镇江,212003
2. 镇江市农业委员会 |
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| 摘 要： | 采用微波消解系统处理样品,石墨炉原子吸收光谱法测定茶叶中的镉含量。结果表明:该法可以大大减少消化试剂的用量及样品的处理时间,干扰小,准确度高。镉的测定结果相对标准偏差为8.9%～12.5%,检出限为0.002 mg/kg。
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| 关 键 词： | 微波消解 石墨炉原子吸收 基体改进剂 茶叶 镉 |
Determination of Cadmium in Tea by Microwave Digestion-Graphite Furnace Atomic Absorption Spectrometry |
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| Authors: | YIN Xi-feng HE Guo-zhu WEI Bo |
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| Institution: | 1 Zhenjiang Agricultural Product Testing Center in Jiangsu Province,Zhenjiang Jiangsu 212003;2 Agricultural Committee of Zhenjiang City) |
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| Abstract: | Tea samples were treated with microwave digestion system.The results showed that this method cluld greatly reduce magnitude of digestant,and decrease its processing time.Cd in tea was determined by graphite furnace atomic absorption spectrometry.The method was rapid,simple and accuracy.The relative standard deviation of lead was 8.9%~12.5%,and the detection limit was 0.002 mg/kg. |
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| Keywords: | microwave digestion graphite furnace atomic absorption spectrometry matrix modifier tea cadmium |
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