Extraction-photometric determination of manganese in soils

被引：0
|
作者：
Kamburova, MA [1 ]
Nikitova, DD [1 ]
机构：
[1] Higher Agr Inst, Plovdiv, Bulgaria
来源：
JOURNAL OF ANALYTICAL CHEMISTRY | 1998年 / 53卷 / 09期
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D O I：
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中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The reaction of Nitro Blue Tetrazolium chloride (NBT) with manganese(VII) was studied. The NBT-to-MnO4 molar ratio determined by different methods is I : 2. Beer's law is obeyed in the range 0.9-14 mu g of Mn(VII) in 10 mt of the aqueous phase. The optimal complexation conditions were found, and the values characterizing the extraction equilibrium (K-ex, K-D, and beta) were determined. A procedure for the extraction-photometric determination of manganese in soils was developed.
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页码：852 / 855
页数：4
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