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Browsing by Author "Rakipov I."

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Calorimetric investigation of hydrogen bonding of formamide and its methyl derivatives in organic solvents and water

Varfolomeev M.; Rakipov I.; Solomonov B. (2013)

Formamide and its derivatives have a large number of practical applications; also they are structural fragments of many biomolecules. Hydrogen bonds strongly affect their physicochemical properties. In the present work a ...
Characterization and kinetics of siberian and tatarstan regions crude oils using differential scanning calorimetry

Varfolomeev M.; Rakipov I.; Isakov D.; Nurgaliev D.; Kok M. (2015)

Copyright © Taylor & Francis Group, LLC. In this study, nonisothermal kinetics and thermal analysis of Siberian and Tatarstan regions crude oils is studied by differential scanning calorimetry (DSC) at different heating ...
Chemical evaluation and kinetics of Siberian, north regions of Russia and Republic of Tatarstan crude oils

Varfolomeev M.; Nagrimanov R.; Samatov A.; Rakipov I.; Nikanshin A.; Vakhin A.; Nurgaliev D.; Kok M. (2016)

© 2016 Taylor & Francis Group, LLC.In this research, thermal characteristics and model free kinetics of five different °American Petroleum Institute gravity crude oil samples from different locations were studied using ...
Cooperative effect of hydrogen bonds in the complexes of aliphatic alcohols with proton acceptors in chloroform

Varfolomeev M.; Abaidullina D.; Rakipov I.; Solomonov B. (2008)

Effect of solvation on the frequency of stretching vibrations of O-H groups of aliphatic alcohols in complexes with acetonitrile, dimethyl sulfoxide, diethyl ether, pyridine, tetrahydrofuran, and triethylamine in various ...
Density, speed of sound, viscosity, refractive index, surface tension and solubility of С<inf>60</inf>[C(COOH)<inf>2</inf>]<inf>3</inf>

Ageev S.; Iurev G.; Podolsky N.; Rakipov I.; Vasina L.; Noskov B.; Akentiev A.; Charykov N.; Murin I.; Semenov K. (2019)

© 2019 Elsevier B.V. In this paper, experimental data on different physicochemical properties of С60[C(COOH)2]3 aqueous solutions are presented. Concentration and temperature dependences on density (ρ), viscosity (η), ...
Development of an effective scale inhibitor based on organophosphonic compounds in an aqueous-alcohol solvent

Varfolomeev M.; Gerasimov A.; Rakipov I.; Nurgaliev D.; Luzhetskii A.; Gabidullin I. (2015)

© 2015 Springer Science+Business Media New York. We have studied the effect of the ratio of hydroxyethylidene diphosphonic acid and nitrilotri(methylphosphonic acid) and also polyaminopolyether methylenephosphonate chelating ...
Effect of halogen substitution on the enthalpies of solvation and hydrogen bonding of organic solutes in chlorobenzene and 1,2-dichlorobenzene derived using multi-parameter correlations

Varfolomeev M.; Rakipov I.; Khachatrian A.; Acree W.; Brumfield M.; Abraham M. (2015)

© 2015 Elsevier B.V. Enthalpies of solution at infinite dilution at 298 K, Δ<inf>soln</inf>H<sup>A/Solvent</sup>, have been measured by isothermal solution calorimetry for 43 and 72 organic solutes dissolved in chlorobenzene ...
Effect of pressure, temperature and gas phase composition on the rheological properties of heavy crude oil

Akhmadiyarov A.; Petrov A.; Rakipov I.; Varfolomeev M. (2019)

© Published under licence by IOP Publishing Ltd. Influence of pressure, temperature and the nature of gas on the viscosity of heavy crude oil from the Tatarstan field was studied using rheology method (rheometer MCR 302). ...
Enthalpy of cooperative hydrogen bonding in the complexes of triethyl- and tri-n-butylamines with alcohols: Effect of the alkyl chain length

Varfolomeev M.; Zaitseva K.; Rakipov I.; Solomonov B. (2010)

The measurements of enthalpies of triethylamine and tri-n-butylamine dissolution in aliphatic alcohols and, vice versa, of aliphatic alcohols in amines were carried out. Enthalpies of specific interactions in the studied ...
Enthalpy of solvation correlations for organic solutes and gases dissolved in dichloromethane and 1,4-dioxane

Wilson A.; Tian A.; Dabadge N.; Acree W.; Varfolomeev M.; Rakipov I.; Arkhipova S.; Abraham M. (2013)

Enthalpies of solution at infinite dilution of 53 organic solutes in dichloromethane and 10 organic solutes in 1,4-dioxane were measured using semi-adiabatic solution calorimeter. Enthalpies of solvation for 103 organic ...
Examination of hydrogen-bonding interactions between dissolved solutes and alkylbenzene solvents based on Abraham model correlations derived from measured enthalpies of solvation

Varfolomeev M.; Rakipov I.; Acree W.; Brumfield M.; Abraham M. (2014)

© 2014 Elsevier B.V. All rights reserved. Enthalpies of solution at infinite dilution of 48 organic solutes in mesitylene and 81 organic solutes in p-xylene were measured using isothermal solution calorimeter. Enthalpies ...
FTIR – spectroscopy of intermolecular interactions of pyrrole in solutions: The influence of media and cooperativity of hydrogen bonds

Rakipov I.; Petrov A.; Akhmadiyarov A.; Khachatrian A.; Klimovitskii A.; Varfolomeev M.; Solomonov B. (2019)

© 2018 Elsevier B.V. FTIR spectral analysis of solvation effects on the absorption frequencies of N–H stretching vibrations of pyrrole as well as its complexes with proton acceptors (B) was carried out. The comparative ...
Hydrogen bonding of molecular solutes in protic and aprotic ionic liquids

Khachatrian A.; Shamsutdinova Z.; Rakipov I.; Varfolomeev M.; Solomonov B.; Verevkin S. (2018)

© 2018 The thermochemical study of hydrogen bonding of organic solutes in 1-methylimidazolium bis(trifluoromethylsulfonyl)imide ([MIM][NTf2]) was carried out. Activity coefficients at infinite dilution of organic compounds ...
Intermolecular interaction of organic solutes with protic [MIM][NO<inf>3</inf>] and aprotic [EMIM][NO<inf>3</inf>] ionic liquids

Khachatrian A.; Rakipov I.; Solomonov B.; Verevkin S. (2019)

© 2019 Elsevier B.V. Intermolecular interactions of organic solutes with a protic ionic liquid (1-methylimidazolium nitrate [MIM][NO3]) have been in focus of this work. Activity coefficients at infinite dilution of organic ...
Molecular Aggregation in Binary Mixtures of Pyrrolidine, N-Methylpyrrolidine, Piperidine, and N-Methylpiperidine with Water: Thermodynamic, SANS, and Theoretical Studies

Marczak W.; Varfolomeev M.; Rakipov I.; Lodowski P.; Kowalska-Szojda K.; Łȩz̀niak M.; Almásy L.; Len A. (2017)

© 2017 American Chemical Society.Piperidine and N-methylpiperidine hydrates aggregate in liquid aqueous solutions due to hydrogen bonds between hydration water molecules. No such effects occur in the mixtures of the amines ...
Positive and Negative Contributions in the Solvation Enthalpy due to Specific Interactions in Binary Mixtures of C1-C4 n -Alkanols and Chloroform with Butan-2-one

Varfolomeev M.; Rakipov I.; Solomonov B.; Lodowski P.; Marczak W. (2015)

© 2015 American Chemical Society. In the paper, results of calorimetric measurements, IR spectra, and calculated ab initio stabilization energies of dimers are reported for binary systems butan-2-one + (methanol, ethanol, ...
Solution and solvation enthalpies of aromatic derivitives in binary mixtures. Dipole moment and dielectric properties

Petrov A.; Rakipov I.; Khachatrian A.; Varfolomeev M.; Akhmadiyarov A.; Ismagilova R.; Vereshchagina Y.; Solomonov B. (2019)

© 2019 Elsevier B.V. In the present work a thermochemistry of solution and solvation of mono- and di-substituted chloro- and nitrobenzenes in binary mixtures was studied. The infinite dilution solution enthalpies of ...
Solvation thermochemistry of aromatic hydrocarbons and their halogen derivatives in imidazolium-based ionic liquids

Khachatrian A.; Batukaev T.; Rakipov I.; Varfolomeev M.; Solomonov B. (2019)

© 2019 Elsevier B.V. In this work solution enthalpies of aromatic compounds and their halogen derivatives in 1-butyl-3-methylimidazolium tetrafluoroborate [BMIM][BF4], 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) ...
Speed of Sound, Density, and Related Thermodynamic Excess Properties of Binary Mixtures of 2-Pyrrolidone and N-Methyl-2-pyrrolidone with Acetonitrile and Chloroform

Varfolomeev M.; Rakipov I.; Solomonov B.; Marczak W. (2016)

© 2016 American Chemical Society.Densities and speeds of sound were measured for binary mixtures of 2-pyrrolidone or N-methyl-2-pyrrolidone with acetonitrile or chloroform at temperatures of (293.15 to 323.15) K and at ...
Speed of sound, density, and related thermodynamic excess properties of binary mixtures of butan-2-one with C1-C4 n-alkanols and chloroform

Varfolomeev M.; Zaitseva K.; Rakipov I.; Solomonov B.; Marczak W. (2014)

© 2014 American Chemical Society. Densities and speeds of sound were measured for binary mixtures of butan-2-one with methanol, propan-1-ol, butan-1-ol, and chloroform at temperatures of 293.15-323.15 K and at atmospheric ...

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Browsing by Author "Rakipov I."

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