| 湿法消解-石墨炉原子吸收光谱法测定玉米油中的铅 |
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| 引用本文： | 邓丽常,林泳诗,田苘榕,陈亮,梁艳冰.湿法消解-石墨炉原子吸收光谱法测定玉米油中的铅[J].粮食流通技术,2016(14):127-128. |
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| 作者姓名： | 邓丽常 林泳诗 田苘榕 陈亮 梁艳冰 |
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| 作者单位： | 珠海市动物卫生监督所,广东 珠海,519000 |
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| 摘 要： | 本文采用湿法消解石墨炉原子吸收光谱法测定玉米油中铅含量。玉米油样品以硝酸-高氯酸混合体系为消解液,浸泡5 h,再结合石墨炉原子吸收光谱法,分别从灰化温度、原子化温度和基改机选择方面进行条件的优化,从而建立合适的上机方法。其平均相对相差小于1.0%,加标回收率为95.0%~102.0%,结果令人满意。
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| 关 键 词： | 湿法消解 石墨炉原子吸收光谱法 玉米油 铅 |
Determination of Lead in Corn Oil by Graphite Furnace Atomic Absorption Spectrometry with Wet Digestion |
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| Abstract: | In this paper, wet digestion determination of lead content in corn oil by graphite furnace atomic absorption spectrometry. Corn oil samples was digested by nitric-perchloric acid, soaked 5 h, combined with graphite furnace atomic absorption spectrometry were optimized conditions from ashing temperature, atomization temperature and GM machine selection, in order to establish appropriate the machine. |
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| Keywords: | Wet digestion Graphite furnace atomic absorption spectrometry Corn oil:Lead |
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