| 悬浮液进样-火焰原子吸收光谱法测定藕粉中的钙和铁 |
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| 引用本文： | 徐强,谢妮,李润国,李国德. 悬浮液进样-火焰原子吸收光谱法测定藕粉中的钙和铁[J]. 食品科学, 2006, 27(6): 190-191 |
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| 作者姓名： | 徐强 谢妮 李润国 李国德 |
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| 作者单位： | 沈阳师范大学化学与生命科学学院； 中国医科大学； 沈阳师范大学实验中心 |
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| 摘 要： | 将悬浮液进样技术应用于火焰原子吸收光谱法,测定了藕粉中的钙、铁含量。将藕粉悬浮于琼脂胶体中制成悬浮液,直接喷入空气-乙炔火焰,用标准加入法测定钙和铁的加入回收率分别为97%～106%、92%～101%,相对标准偏差≤3.4%,方法简便、快速、准确。
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| 关 键 词： | 悬浮液进样 火焰原子吸收光谱法 藕粉 钙 铁 |
| 文章编号： | 1002-6630（2006）06-0190-02 |
| 收稿时间： | 2005-07-29 |
| 修稿时间： | 2005-07-29 |
Determination of Calcium and Iron in Lotus Root Flour by Suspension Sampling - flame Atmic Absorption Spectrometry |
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| XU Qiang,XIE Ni,LI Run-guo,LI Guo-de. Determination of Calcium and Iron in Lotus Root Flour by Suspension Sampling - flame Atmic Absorption Spectrometry[J]. Food Science, 2006, 27(6): 190-191 |
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| Authors: | XU Qiang XIE Ni LI Run-guo LI Guo-de |
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| Affiliation: | 1.College of Chemistry and Life Science, Shenyang Normal University, Shenyang 110034, China; 2.China Medical University, Shenyang 110001, China; 3.Experimental Center, Shenyang Normal University, Shenyang 110034, China |
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| Abstract: | In this article, the suspension sampling technique applied to flame atomic absorption spectrometry was successfully used to determine calcium, iron in lotus root flour.The flour was suspended in agarsol and made into suspension.Choice of suspension agent and elimination of interference were studied.The test solution was injected into air-acetylene flame to determine calcium and iron by standard addition method.This method is convenient rapid and accurate. |
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| Keywords: | suspension sampling flame atomic absorption spectrometry arrowroot flour calcium iron |
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