| 微波消解-石墨炉AAS法测定大米中镉含量 |
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| 引用本文： | 柯娴,邓金兰,李海丽,邱英莲,赖增龙.微波消解-石墨炉AAS法测定大米中镉含量[J].价值工程,2014(11):318-319. |
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| 作者姓名： | 柯娴 邓金兰 李海丽 邱英莲 赖增龙 |
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| 作者单位： | 广东省茂名市食品药品检验所,茂名525000 |
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| 摘 要： | 目的:探讨微波消解-石墨炉AAS法测定大米中镉含量的测定方法。方法:对大米样品采用硝酸-微波消解,消解后用赶酸架逐步均匀快速赶酸的方法进行前处理,以石墨炉AAS法进行测定。此方法用新合理标准曲线拟合算法,在0ug/L~2.5ug/L范围内线性关系较好,R值为0.9998,方法加标回收率为100.0~101.0,RSD值小于4.0%。结论:该方法耗材少,操作简单安全快速,且准确度和精密度均较高,适用于大米中镉含量的测定。
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| 关 键 词： | 微波消解 石墨炉AAS法 大米 镉含量 |
Microwave Digestion-GF-AAS Method to Determine the Cadmium Content in Rice |
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| KE Xian,DENG Jin-lan,LI Hai-li,QIU Ying-lian,LAI Zeng-long.Microwave Digestion-GF-AAS Method to Determine the Cadmium Content in Rice[J].Value Engineering,2014(11):318-319. |
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| Authors: | KE Xian DENG Jin-lan LI Hai-li QIU Ying-lian LAI Zeng-long |
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| Institution: | ( Maoming Food and Drug Inspection of Guangdong Province, Maoming 525000, China ) |
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| Abstract: | Objective： to study the microwave digestion-graphite furnace AAS method on the determination of cadmium content in rice. Methods： the rice samples using nitric acid, microwave digestion, digestion with acid frame are evenly rapid drive after acid pretrea |
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| Keywords: | microwave digestion GF-AAS method rice cadmium content |
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