SPECTROPHOTOMETRIC DETERMINATION OF TELLURIUM BY EXTRACTION OF ITS 1-PYRROLIDINECARBODITHIOATE WITH MOLTEN NAPHTHALENE
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概要
- 論文の詳細を見る
A new reliable method for the spectrophotometric determination of tellurium(IV) after extraction of its l-pyrrolidinecarbodithioate into molten naphthalene is developed. Tellurium reacts with l-pyrrolidine-carbodithioate to form a water-insoluble, thermally stable colored complex which can be quantitatively extracted into molten naphthalene in the pH range of O.5-2.5. The extracted naphthalene crystals are dissolved in dimethylformamide. The absorbance of the solution is measured at 445 nm. Based on the thermal instability of selenium complex of this reagent, a method is suggested for the simultaneous determination of tellurium and selenium using this technique and the liquid-liquid extraction at room temperature.
- 社団法人日本分析化学会の論文
- 1983-03-05
著者
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Satake Masatada
Faculty Of Engineering Fukui University
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K.puri B
Department Of Chemistry Indian Institute Of Technology
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Kumar Avadesh
Department of Chemistry, Indian Institute of Technology
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L.Sethi C
Department of Chemistry, Indian Institute of Technology
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Kumar Avadesh
Department Of Chemistry Indian Institute Of Technology
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L.sethi C
Department Of Chemistry Indian Institute Of Technology
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- SPECTROPHOTOMETRIC DETERMINATION OF NICKEL AND COBALT AFTER EXTRACTION WITH PHENANTHRENEQUINONE MONOXIMATE INTO MOLTEN NAPHTHALENE
- SPECTROPHOTOMETRIC DETERMINATION OF TELLURIUM BY EXTRACTION OF ITS 1-PYRROLIDINECARBODITHIOATE WITH MOLTEN NAPHTHALENE
- Spectrophotometric determination of iron(III) after separation by adsorption of its 5-chloro-7-iodo-8-quinolinol complex on microcrystalline naphthalene.
- Spectrophotometric determination of iron(II) after separation by collection of its ternary complex of 1,10-phenanthroline and tetraphenylborate on microcrystalline naphthalene.
- Spectrophotometric determination of ruthenium(III) and rhodium(III) with 9,10-phenanthrenequinone monoxime after extraction into molten naphthalene.
- Spectrophotometric determination of copper separated by means of adsorption of its pyrrolidinedithiocarbamate on naphthalene.
- Analysis of Metals by Solid-Liquid Separation after Liquid-Liquid Extraction. Spectrophotometric Determination of Some Metals by Extraction of Metal Complexes with Molten Naphthalene
- Spectrophotometric determination of palladium(II) by extraction of its 1-pyrrolidinecarbodithioate into molten naphthalene.
- Spectrophotometric determination of iron(II) after extraction of its 4'-(p-methoxyphenyl)-2,2':6',2"-terpyridine complex with tetraphenylborate anion into molten naphthalene.