4-(21-THIAZOLYLAZO) RESACETOPHENONE OXIME - A NEW ANALYTICAL REAGENT FOR THE SPECTROPHOTOMETRIC DETERMINATION OF URANIUM(VI)

被引：4

作者：

RAMESH, A ^{[1
]}

KRISHNAMACHARYULU, J ^{[1
]}

RAVINDRANATH, LK ^{[1
]}

RAO, SB ^{[1
]}

机构：

[1] SHRI KRISHNADEVARAYA UNIV,DEPT CHEM,ANANTAPUR 515003,INDIA

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS | 1991年 / 154卷 / 05期

关键词：

D O I：

10.1007/BF02165491

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

4-(2(1)-Thiazolylazo) resacetophenone oxime forms a pink colored soluble complex with uranium(VI) in buffer solutions of pH 6.0. The colored complex has a maximum absorbance at the wavelength 572 nm and the color is stable for about 48 h. The system obeys Beer's law over the concentration range 0.2-6.0-mu-g of uranium cm-3. The molar absorptivity and the Sandell sensitivity of the complex are 6.2 x 10(4) dm3.mol-1.cm-1 and 0.0038-mu-g cm-2, respectively. Effect of various diversions has been studied and the method was successfully applied for the determination of uranium in rock samples.

引用

页码：357 / 363

页数：7

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