| 催化光度法测定痕量钒——钒(Ⅴ)-溴甲酚紫-过氧化氢体系 |
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| 引用本文： | 莎仁,庄晓娟. 催化光度法测定痕量钒——钒(Ⅴ)-溴甲酚紫-过氧化氢体系[J]. 理化检验(化学分册), 2006, 42(8) |
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| 作者姓名： | 莎仁 庄晓娟 |
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| 摘 要： | 催化光度法测定钒已有报道[1～3],在0.45 mol·L-1磷酸介质及加热条件下,过氧化氢氧化溴甲酚紫褪色反应非常缓慢,而痕量钒对此反应具有较高的催化活性,且在一定浓度范围内,钒量与褪色反应程度呈线性关系,据此可建立测定痕量钒的方法.方法的检出限为1.9×10-6g·L-1,测定范围为0.003～1.8 mg·L-1.方法操作简便,重现性好,用于钢样中痕量钒的测定,结果满意.
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Photometric Determination of Traces of Vanadium( Ⅴ ) by its Catalytic Action on the Oxidation-decoloration of Bromocresol Purple by Hydrogen Peroxide |
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| SA Ren,ZHUANG Xiao-juan. Photometric Determination of Traces of Vanadium( Ⅴ ) by its Catalytic Action on the Oxidation-decoloration of Bromocresol Purple by Hydrogen Peroxide[J]. Physical Testing and Chemical Analysis Part B:Chemical Analgsis, 2006, 42(8) |
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| Authors: | SA Ren ZHUANG Xiao-juan |
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