Relevant bibliographies by topics / Complexe de cyanure

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Academic literature on the topic 'Complexe de cyanure'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Complexe de cyanure"

1

Mariaud, M., and P. Levillain. "Dosage spectrophotometrique des ions cyanure libres par formation du complexe mixte bis(bathophenanthroline) dicyano Fer(II)." Talanta 34, no. 6 (1987): 535–38. http://dx.doi.org/10.1016/0039-9140(87)80183-2.

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2

Serratrice, G., CG Béguin, F. Nicolas, M. Vincens, and H. Mollier. "Etude cinétique de la réaction du complexe 1,4,8,11- tétraazacyclotetradecane-1,4,8,11-tétra(méthylène phosphonato) ferrate (III) avec l'ion cyanure." Journal de Chimie Physique 88 (1991): 55–70. http://dx.doi.org/10.1051/jcp/1991880055.

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3

Luque-Almagro, Víctor M., María-J. Huertas, Lara P. Sáez, et al. "Characterization of the Pseudomonas pseudoalcaligenes CECT5344 Cyanase, an Enzyme That Is Not Essential for Cyanide Assimilation." Applied and Environmental Microbiology 74, no. 20 (2008): 6280–88. http://dx.doi.org/10.1128/aem.00916-08.

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ABSTRACT Cyanase catalyzes the decomposition of cyanate into CO2 and ammonium, with carbamate as an unstable intermediate. The cyanase of Pseudomonas pseudoalcaligenes CECT5344 was negatively regulated by ammonium and positively regulated by cyanate, cyanide, and some cyanometallic complexes. Cyanase activity was not detected in cell extracts from cells grown with ammonium, even in the presence of cyanate. Nevertheless, a low level of cyanase activity was detected in nitrogen-starved cells. The cyn gene cluster of P. pseudoalcaligenes CECT5344 was cloned and analyzed. The cynA, cynB, and cynD
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4

Luque-Almagro, Víctor M., María-J. Huertas, Manuel Martínez-Luque, et al. "Bacterial Degradation of Cyanide and Its Metal Complexes under Alkaline Conditions." Applied and Environmental Microbiology 71, no. 2 (2005): 940–47. http://dx.doi.org/10.1128/aem.71.2.940-947.2005.

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ABSTRACT A bacterial strain able to use cyanide as the sole nitrogen source under alkaline conditions has been isolated. The bacterium was classified as Pseudomonas pseudoalcaligenes by comparison of its 16S RNA gene sequence to those of existing strains and deposited in the Colección Española de Cultivos Tipo (Spanish Type Culture Collection) as strain CECT5344. Cyanide consumption is an assimilative process, since (i) bacterial growth was concomitant and proportional to cyanide degradation and (ii) the bacterium stoichiometrically converted cyanide into ammonium in the presence of l-methio
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5

Beattie, JK, and GA Polyblank. "Copper-Catalyzed Oxidation of Cyanide by Peroxide in Alkaline Aqueous Solution." Australian Journal of Chemistry 48, no. 4 (1995): 861. http://dx.doi.org/10.1071/ch9950861.

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The oxidation of cyanide by peroxide in alkaline aqueous solution is catalysed by copper complexes. In the presence of excess cyanide, copper(II) is reduced to form the tricyanocuprate (I) complex. The cyanogen oxidation product is hydrolysed with disproportionation to cyanate and cyanide:2CuII+2CN-→ 2CuI+(CN)2(CN)2+2OH- → OCN-+CN-+H2OCuI+3CN- ↔ Cu(CN)32-The stoichiometry and kinetics of the catalysed oxidation have been investigated. Hydrogen peroxide oxidizes coordinated cyanide with a rate that is first order in peroxide and first order in copper but independent of cyanide concentration in
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6

Abd-Ei-Aziz, Alaa S., Debbie A. Armstrong, Shelly Bernardin, and Harold M. Hutton. "Nucleophilic addition to di- and poly-iron arene complex cations." Canadian Journal of Chemistry 74, no. 11 (1996): 2073–82. http://dx.doi.org/10.1139/v96-236.

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Hydride and cyanide addition to a series of di- and polycyclopentadienyliron arene complex cations with etheric bridges is described. Reaction of the di-iron complexes with sodium borohydride resulted in the formation of a number of adducts.p-Methyl- and o,o-dimethylphenoxybenzene cyclopentadienyliron complexes were used as models in this study to allow for the characterization of the analagous di-iron complexes. The use of HH COSY and CH COSY NMR techniques enabled us to identify the isomeric nature of these adducts. The hydride addition results indicated that the etheric substituent had the
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7

Smith, Mark E., Richard L. Cordiner, David Albesa-Jové, et al. "The synthesis, structure, and electrochemical properties of Fe(C≡CC≡N)(dppe)Cp and related compounds." Canadian Journal of Chemistry 84, no. 2 (2006): 154–63. http://dx.doi.org/10.1139/v05-238.

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The cyanoacetylide complex Fe(C≡CC≡N)(dppe)Cp (3) is readily obtained from sequential reaction of Fe(C≡CSiMe3)(dppe)Cp with methyllithium and phenyl cyanate. Complex 3 is a good metalloligand, and coordination to the metal fragments [RhCl(CO)2], [Ru(PPh3)2Cp]+, and [Ru(dppe)Cp*]+ affords the corresponding cyanoaceylide-bridged heterobimetallic complexes. In the case of the 36-electron complexes [Cp(dppe)Fe-C≡CC≡N-MLn]n+, spectroscopic and structural data are consistent with a degree of charge transfer from the iron centre to the rhodium or ruthenium centre via the C3N bridge, giving rise to a
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8

Thi Thu, Bui, Trinh Kim Yen, and Dao Van Bay. "EFFICIENCY EVALUATION OF STABLE CYANIDE COMPLEXES CONVERSION AND ITS APPLICATION." Journal of Science, Natural Science 61, no. 9 (2016): 113–22. http://dx.doi.org/10.18173/2354-1059.2016-0063.

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9

Robuck, Stephen J., and Richard G. Luthy. "Destruction of Iron-Complexed Cyanide by Alkaline Hydrolysis." Water Science and Technology 21, no. 6-7 (1989): 547–58. http://dx.doi.org/10.2166/wst.1989.0257.

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Iron-complexed cyanide compounds are found in various industrial wastes, and are resistant to destruction by conventional technologies used to treat cyanide-bearing wastes. This study evaluated hydrolytic destruction of iron-complexed cyanide in leachates from land disposal of spent carbonanceous material used to line aluminum reduction cells. The investigation showed that iron-cyanide complexes may be hydrolyzed under alkaline conditions at elevated temperatures and pressures, e.g. in the range of 165-180 °C and 100-150 psig. The hydrolysis reaction is apparently first-order with respect to t
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10

Rader, W. Scott, Ljiljana Solujic, E. B. Milosavljevic, J. L. Hendrix, and J. H. Nelson. "Photochemistry of Aqueous Solutions of Dicyanomercury(II) and Potassium Tetracyanomercurate(II)." Journal of Solar Energy Engineering 116, no. 3 (1994): 125–29. http://dx.doi.org/10.1115/1.2930070.

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Photochemically induced reactions of dicyanomercury(II) and potassium tetracyanomercurate(II) in alkaline aqueous solutions were investigated in detail. The studies were conducted in the presence or absence of a titanium(IV) oxide semiconductor photocatalyst utilizing sunlight as the irradiation source. It was established that the cyanide ion liberated from the thermodynamically stable mercury-cyano species can be photocatalytically oxidized via cyanate and nitrite to nitrate. In addition, the process removes over 99 mol% of mercury from the solution. In the absence of the photocatalyst, no ph
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