3-Hydroxy-2-[1′-phenyl-3′-(p-chlorophenyl)-4′-pyrazolyl]-4-oxo-4H-1-benzopyran as a spectrophotometric reagent for trace determination of tungsten(vi) (original ) (raw )Extractive Spectrophotometric Determination of Tungsten(VI) Using 3-Hydroxy-2-(2'-Thienyl)-4-OXO-4H-1- Benzopyran
jaswant mehta
Annali di Chimica, 2004
View PDFchevron_right
Application of a ternary complex of tungsten(VI) with 4-nitrocatechol and thiazolyl blue for extraction-spectrophotometric determination of tungsten
Kiril Gavazov
Chemical Papers, 2006
View PDFchevron_right
Gravimetric Determination of Tungsten(VI) in Presence of Other Ions and Its Application to Alloy Steel
Bhagwan Singh Chandravanshi
View PDFchevron_right
Extractive Spectrophotometric Determination of Tungsten(VI) as Its 6-Chloro-3-hydroxy-2-(2′-thienyl)-4-oxo-4H-1-benzopyran Complex
jaswant mehta
Bulletin of the Chemical Society of Japan, 2008
View PDFchevron_right
Liquid Ion Exchange with Spectrophotometric Method for Separation and Determination W (VI
Ebaa A D N A N Azooz
Jour of Adv Research in Dynamical & Control Systems, 2019
View PDFchevron_right
Preconcentration and Determination of Tungsten Using Cold-Induced Aggregation Microextraction Technique Via Ionic Liquid in Environmental and Biological Samples
Nader Hassan
Analytical Chemistry Letters, 2018
View PDFchevron_right
Ultrasensitive determination of tungsten(VI) on pikomolar level in voltammetric catalytic adsorptive catechol-chlorate(V) system
Władysław Kubiak
Journal of Electroanalytical Chemistry, 2010
View PDFchevron_right
The determination of tungsten, molybdenum, and phosphorus oxyanions by high performance liquid chromatography inductively coupled plasma mass spectrometery
June Mirecki
Talanta, 2007
View PDFchevron_right
Liquid-liquid extraction and simultaneously spectrophotometric determination of Co (II) and W (VI) using crown ether (DB-18-C6) in aqueous media and in high speed steel
Boudjema Hamada
International Journal of Environmental Analytical Chemistry, 2020
View PDFchevron_right
The tungsten(IV) aqua ion; reduction studies and detection of aquachloro complexes of [W3(μ3-O)(μ2-O)3]4+ by oxygen-17 and tungsten-183 NMR spectroscopy
Ayyub Patel
Inorganica Chimica Acta, 1989
View PDFchevron_right
A novel cyano complex of tungsten(IV) with 2, 2?-bipyridyl
Janusz Szklarzewicz
Transition Metal Chemistry, 1988
View PDFchevron_right
Synthesis and study of imidoalkyl complexes of tungsten(VI): application of nitrogen-14 NMR spectroscopy
Jean Pierre Le Ny
Organometallics, 1991
View PDFchevron_right
Mono-phenoxy oxo complexes of tungsten(VI)
Alastair Nielson
Polyhedron, 1998
View PDFchevron_right
Simultaneous determination of molybdenum and tungsten by first-derivative synchronous solid-phase spectrofluorimetry
jose vilchez
Analytica Chimica Acta, 1992
View PDFchevron_right
Synthesis and characterization of [W(NC4Me4)2Cl2] and [W(NC4Me4)2(CH3)2], the first azametallocene tungsten complexes with pyrrolyl ligands. Electronic structure and bonding of tungsten bispyrrolyl complexes
Margarida Salema
Inorganica Chimica Acta, 2003
View PDFchevron_right
ChemInform Abstract: PHOTOPHYSICS AND PHOTOCHEMISTRY OF PENTACARBONYL(PYRIDINE)TUNGSTEN(0) COMPLEXES WHICH LUMINESCE IN FLUID SOLUTION
Alistair Lees
Chemischer Informationsdienst, 1982
View PDFchevron_right
Synthesis, characterization and crystal structures of some tungsten and triosmium carbonyl complexes with monopyridyl and dipyridyl azo ligands
Siu Ming Lee
Journal of Organometallic Chemistry, 2000
View PDFchevron_right
Complexes of WOCl4 and WSCl4 with neutral N- and O-donor ligands: Synthesis, spectroscopy and structures
Laura Sutcliffe
Polyhedron, 2019
View PDFchevron_right
Synthesis, structure and properties of the mixed-ligand tungsten(II) complex [WBr 2(CO) 3(tmpymt)] (tmpymt = 1,4,6-trimethylpyrimidine-2-thione
Viviane Falcomer
Inorganic Chemistry Communications, 2009
View PDFchevron_right
Emission of tetracarbonylbis(pyridino)-tungsten(0) and related complexes in room temperature solution
Alistair Lees
Inorganica Chimica Acta, 1982
View PDFchevron_right
Characterization of new tungsten(VI) amide complexes
Steve Dietz
Inorganic Chemistry, 1993
View PDFchevron_right
Flavonol Derivatives for Determination of Cr(III) and W(VI
Tarek Zaki
Mikrochimica Acta, 2000
View PDFchevron_right
Speciation, liquid–liquid extraction, sequential separation, preconcentration, transport and ICP-AES determination of Cr(III), Mo(VI) and W(VI) with calix-crown hydroxamic acid in high purity grade materials and environmental samples
KULDEEP SHARMA
Talanta, 2005
View PDFchevron_right
Photophysics and photochemistry of pentacarbonyl(pyridine)tungsten(0) complexes which luminesce in fluid solution
Alistair Lees
Journal of the American Chemical Society, 1982
View PDFchevron_right
Isolation, X-ray structure and properties of an unusual pentacarbonyl(2,2′-pyridyl-quinoxaline) tungsten complex
Fernando Lahoz
Journal of Organometallic Chemistry, 2006
View PDFchevron_right
Liquid-liquid extraction-chromogenic systems containing tungsten (VI), 2-Hydroxy-5-Chlorothiophenol and Diphenylguanidine
gunel amanullayeva
International Journal of Chemical Studies, 2016
View PDFchevron_right
Preparation and characterisation of mononuclear organoimido complexes of tungsten: X-ray crystal structures of [WCl4(NC6H4Me-p)(thf)], [P(CH2Ph)Ph3][WCl5(NC6H4Me-p)], and [WCl2(NPh)2(bipy)]
Alastair Nielson
Journal of the Chemical Society, Dalton Transactions, 1987
View PDFchevron_right
Heteronuclear unbridged molybdenum-tungsten quadruply bonded complexes. Preparation and characterization of Cl2(PMe2Ph)2Mo-WCl2(PMe2Ph)(PPh3), Cl2(PMe2Ph)(PPh3)Mo-WCl2(PMe2Ph)2 and Mo-WCl4(PMe2Ph)4
chris james
Inorganic Chemistry, 1990
View PDFchevron_right
Phenylimido ethoxo complexes of tungsten(VI): Crystal and molecular structure of dichloro-di-μ- ethoxotetraethoxobis(phenylimido)ditungsten(VI)
Alastair Nielson
Polyhedron, 1987
View PDFchevron_right
Potentiometric studies of the complexes of chromium(VI), molybdenum(VI) and tungsten(VI) with some Azoxine S dyes
Sunil Goyal
Talanta, 1969
View PDFchevron_right
Determination of trace metals in high-purity tungsten hexafluoride by electrothermal atomic absorption spectrometry after hydrolysis and selective removal of tungsten by liquid-liquid extraction
AS AS
Analytica Chimica Acta, 1991
View PDFchevron_right
Techniques in the synthesis of organometallic compounds of tungsten
ICCAS2020 UAF
View PDFchevron_right