| 正交试验在石墨炉原子吸收法测定食用菌中铅的应用 |
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| 引用本文： | 简伟明,李崇,李洁仪. 正交试验在石墨炉原子吸收法测定食用菌中铅的应用[J]. 绿色科技, 2011, 0(8): 252-254 |
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| 作者姓名： | 简伟明 李崇 李洁仪 |
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| 作者单位： | 广东粤微食用菌技术有限公司,广东广州510663 [2]广东省微生物研究所,广东广州510070 |
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| 摘 要： | 通过正交试验优选出了较满意的测定食用菌中铅的石墨炉原子吸收法检测条件,并采用该方法测定了34个食用菌样品中的Pb含量。结果表明:Pb含量测定的最适条件为磷酸二氢铵+硝酸镁混合基体改进剂,加入量10μL,灰化温度600℃,原子化温度1900℃;铅的检出限为0.24ng/mL,回收率为95.5%～100.3%;34个食用菌样品中97%的食用菌铅含量小于2.0mg/kg。
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| 关 键 词： | 正交试验 石墨炉原子吸收法 食用菌 铅 |
Application of Orthogonal Test in Determination of Lead in Edible Fungi with Graphite Furnace Atomic Absorption Spectro |
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| Jian Weiming,Li Chong,Li Jieyi. Application of Orthogonal Test in Determination of Lead in Edible Fungi with Graphite Furnace Atomic Absorption Spectro[J]. LVSE DASHIJIU, 2011, 0(8): 252-254 |
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| Authors: | Jian Weiming Li Chong Li Jieyi |
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| Affiliation: | 1(1.Guangdong Yuewei Edible Fungi Technology Co.,Ltd.,Guangzhou510663,China;2.Guangdong Institute of Microbiology,Guangzhou510070,China) |
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| Abstract: | According to orthogonal test in this paper, an analytical method for determining lead in edible fun- gi by graphite furnace atomic absorption spectrometry is developed and 34 edible fungi samples are tested. The results show that：（1）the proper conditions |
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| Keywords: | orthogonal test graphite furnace atomic absorption spectrometry edible fungi lead |
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