| 催化光度法测定蔗汁中草酸的研究 |
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| 引用本文： | 陆海勤,黄悦刚.催化光度法测定蔗汁中草酸的研究[J].广西轻工业,2001(1):52-53,56. |
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| 作者姓名： | 陆海勤 黄悦刚 |
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| 作者单位： | 广西大学生物技术与糖业工程学院制糖科学技术研究所 |
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| 摘 要： | 研究了在酸性介质中 ,草酸对铬酸钾氧化甲基红褪色反应具有显著的催化作用 ,建立了催化光度法测定蔗汁中草酸的新方法。线性范围为 0～ 0 .90 mg/ L ,检出的下限为 5 .42× 10 - 2 mg/ L。用于正常糖汁的测定 ,结果满意
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| 关 键 词： | 催化光度法 草酸 铬酸钾 甲基红 |
| 文章编号： | 1003-2673(2001)01-0052-02 |
Study on the determination of trace oxalic acid in cane juices by catalytic decolorizing spectrophotometry |
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| By Lu Haiqin.Study on the determination of trace oxalic acid in cane juices by catalytic decolorizing spectrophotometry[J].Guangxi Journal of Light Industry,2001(1):52-53,56. |
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| Authors: | By Lu Haiqin |
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| Affiliation: | By Lu Haiqin |
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| Abstract: | In acidic medium , the catalytic action of oxalic acid on the oxidation of methyl red by potassium chromate was studied A novel catalytic spectrophotometry for the determination of trace oxalic acid was established The linear range of oxalic acid determination is 0~0 90mg/L This limit of detection is 0~0 90mg/L This method has been used for the determination of trace oxalic acid in cane juices with satisfactory results |
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| Keywords: | catalytic spectrophotometry oxalic acid potassium chromate methyl red |
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