M. Elyoubi

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Eric S . Kim (UBC)

University of British Columbia

James R Vonesh

Virginia Commonwealth University

Marc Champagne

Kwantlen Polytechnic University

David Seamon

Kansas State University

Alexi Gugushvili

University of Oxford

Roelof Hut

University of Groningen

Murat Özbek

Ege University

Viacheslav Kuleshov

Stockholm University

Dr. Debbie Humphry

Kingston University, London

Hamid Soori

Shahid Beheshti University of Medical Sciences

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Structure of Pentylenediammoniumhexachlorostannate(IV)

Materials Today: Proceedings, 2019

Abstract Alkylammoniumhalogenometallate and the alkylenediammoniumhalogenometallates salts groups... more Abstract Alkylammoniumhalogenometallate and the alkylenediammoniumhalogenometallates salts groups revealed dielectric, ferroelectric, ferroelastic, phase transition and non-linear optical. Up to now, little attention has held to the compounds of the type [NH3(CH2)nNH3]MCl6. Single crystals of Pentylenediammoniumhexachlorostannate(IV) was obtained by slow evaporation, at room temperature. The crystal structure of [H3N-(CH2)5-NH3]SnCl6, was determined by X-ray diffraction. This compoundcrystallizesin the orthorhombic system [space group : Pbca ; Z = 8 ; a = 11.747 (4) A ; b = 11.949 (5) A ; c = 21.164 (6) A and V = 2970.7 (18) A3]. The structure consists of isolated [H3N-(CH2)5-NH3]2+ cation and (SnCl6)2- anion. The SnCl62- anions are slightly distorted octahedronand possess no local symmetry. The shortest N...Cl distances indicate that an extensive hydrogen-bonding network connects the ions.

Assessment of the Intensity of Floods and Study of Their Impact on the Ourika Area

Innovations in Smart Cities Applications Volume 5, 2022

Performance of adsorption of heavy metals contained in model waste water solutions by two types of Moroccan clay: type of copper

During this work, we have been able to optimized the rate of adsorption of heavy metals, the type... more During this work, we have been able to optimized the rate of adsorption of heavy metals, the type of copper, contained the synthesized solutions of waste water loaded with copper, and this, based on the method of adsorption by two types of natural clay taken from the El Oulja-Sale and Had Kourt-Sidi Kacem regions of Morocco. The results of this study show that adsorption of copper by clay from the El Oulja-Sale region was more efficient than that of the Had Kourt region. The difference in the performance obtained from the kinetics of adsorption can revert to the rapidity of adsorption of copper by the clay of the El Oulja-Sale region, while increasing the adsorbent mass, pH, time and the contents of the copper ions. According to the kinetic adsorption study and according to the equations of the adsorption models of Langmuir and Freundlich whose linear forms, it appears that the maximum capacity of adsorption of the copper ions is adequate with the isotherms models of Langmuir and Fr...

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