| 微波消解-石墨炉原子吸收光谱法测定灌木枝叶中的As，Pb，Cd，Cr，Ni |
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| 引用本文： | 梁玉兰.微波消解-石墨炉原子吸收光谱法测定灌木枝叶中的As，Pb，Cd，Cr，Ni[J].吉林工学院学报,2013(5):546-550. |
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| 作者姓名： | 梁玉兰 |
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| 作者单位： | 闽西职业技术学院化学工程系,福建龙岩364021 |
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| 摘 要： | 采用微波消解-石墨炉原子吸收光谱法，考察了微波消解体系、基体改进剂、灰化/原子化温度等因素对测定的影响，测定灌木枝叶中 As ，Pb ，Cd ，Cr ，Ni的平均回收率分别为97．5％，98．3％，99．8％，99．0％，98．2％，检出限分别为0．045，0．058，0．008，0．064，0．130mg/kg，所测灌木枝叶中含量分别为0．96，7．46，0．15，2．35，1．73mg/kg，接近标准值。
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| 关 键 词： | 石墨炉原子吸收光谱法 微波消解 灌木枝叶 重金属 |
Test of As,Pb, Cd,Cr,Ni cont entin bush leaves with microwave digestion-graphite furnace atomic absorption spectrometry method |
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| LIANG Yu-lan.Test of As,Pb, Cd,Cr,Ni cont entin bush leaves with microwave digestion-graphite furnace atomic absorption spectrometry method[J].Journal of Jilin Institute of Technology,2013(5):546-550. |
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| Authors: | LIANG Yu-lan |
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| Institution: | LIANG Yu-lan (Chemical Engineering Department, Minxi Vocational and Technical College, Longyan 364021, China) |
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| Abstract: | With microwave digestion-graphite furnace atomic absorption spectrometry method , the effects of the microwave digestion system ,matrix modifier ,ashing and atomization temperature on the test are analyzed in bush leaves .The results show that the average recovery of Arsenic （As） , Lead （Pb） ,Chromium （Cd） ,Cadmium （Cr） ,Nickle （Ni） were 97 .5% ,98 .3% ,99 .8% ,99 .0% and 98 .2% ,and the detection limits were 0 .045 ,0 .058 ,0 .008 ,0 .064 ,0 .130 mg/kg ,respectively .The content of tested bush leaves were 0 .96 ,7 .46 ,0 .15 ,2 .35 and 1 .73 mg/kg ,which close to the standard value . |
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| Keywords: | graphite furnace atomic absorption spectrometry microwave digestion bush leaves heavy metal |
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