Journal ArticleDOI
Extraction and preconcentration of selenium from aqueous solutions and its determination in water and hair samples by atomic-absorption spectrophotometry.
M. Ejaz,Mudassar A. Qureshi +1 more
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TLDR
Several organic solvents, including benzene, xylene, toluene, nitrobenzene, chloroform, carbon tetrachloride, chlorobenzene and high molecular-weight pyridines have been investigated as components of systems for the extraction and preconcentration of selenium from nitric acid solutions containing iodide.About:
This article is published in Talanta.The article was published on 1987-03-01. It has received 5 citations till now. The article focuses on the topics: Selenium & Liquid–liquid extraction.read more
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Journal ArticleDOI
Atomic absorption, atomic fluorescence, and flame emission spectrometry
James A. Holcombe,Dean A. Bass +1 more
TL;DR: The last 2 years have produced a large accumulation of literature related to the topical areas covered by this review with the main activity continuing to reside in the area of atomic absorption with the primary fundamental studies centered around electrothermal atomization.
Journal ArticleDOI
Speciation of selenium (IV) in natural waters by solid phase spectrophotometry.
TL;DR: A method for the speciation of selenium (IV) based on solid-phase spectrophotometry (SPS), has been developed and has been applied to the determination of Se(IV) in natural waters.
Journal ArticleDOI
Studies on the solvent extraction of technetium from thiocyanate solutions in mineral acids
M. Ejaz,A. M. Mamoon +1 more
TL;DR: Technetium-99m, separated from fission molybdenum-99, has been studied as a component of liquid-liquid phase distribution equilibria as mentioned in this paper.
Journal ArticleDOI
Radiochemical studies on the extraction of arsenic(III) by trilaurylamine oxide and benzene from aqueous iodide solutions and its determination in water samples by spectrophotometry
M. Rashid,A. Bari,M. Ejaz +2 more
TL;DR: In this paper, an extraction system consisting of trilaurylamine Noxide and benzene has been identified as a possible extractant for tracer arsenic from hydrochloric or sulfuric acid solutions with or without iodide.
Journal ArticleDOI
Studies on the liquid-liquid phase distribution equilibria of selenium, and its measurement in water using extraction plant with a pulsation column
TL;DR: In this article, normal heptane, xylene, and a 0.01 molar solution of 4-(5-nonyl)pyridine in toluene have been investigated as extractants for selenium(IV) from nitric acid media in potassium iodide.
References
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Journal ArticleDOI
Species determination of selenium in natural waters
TL;DR: In this paper, a method for the determination in natural waters of selenite, selenate, dimethyl selenide, and dimethyl diselenide was described.
Journal ArticleDOI
Inorganic interference study of automated arsenic and selenium determination with atomic absorption spectrometry
F. D. Pierce,H. R. Brown +1 more
Journal ArticleDOI
Interference by volatile nitrogen oxides and transition-metal catalysis in the preconcentration of arsenic and selenium as hydrides
Journal ArticleDOI
Selektive trennung von selen(IV) durch extraktion mit methyläthylketon
N. Jordanov,L. Futekov +1 more
TL;DR: In this article, ausammenfassung Selen(IV) wird mit Methylathylketon in salzsaurem Medium extrahiert and hierbei die optimale aciditat bestimmt, bei der die extraktion vollstandig ist.
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