食品中铁测定法的研究 |
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引用本文: | 胡述容. 食品中铁测定法的研究[J]. 食品与发酵工业, 1988, 0(5) |
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作者姓名: | 胡述容 |
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作者单位: | 成都大学食品工程系 |
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摘 要: | 本文概述了食品中微量铁测定的意义、测定特点和问题。实验研究了食品中铁的比色和吸光光度的三种测定方法,就三法的灵敏度、稳定性及与比耳定律符合的程度作了比较,并用三种味精产品进行实测,得出邻二氮菲亚铁法较磺基水杨酸铁法、硫氰酸铁法为优。对邻二氮菲亚铁法,采用回归直线方程求铁含量,更加准确,简便。
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Study on The Method for Determination of Iron in Foods |
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Abstract: | Three methods for determination of iron in foods are roported.The sensitivity, stability and coefficient of linear relation etc.are determined.It is obtained that 1,10-Phenant-hroline-Fe2+ is better than others. |
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