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A new method for heat capacity determination in supercooled liquid state using fast scanning calorimetry: Thermochemical study of 9,9'-bifluorenyl

Bolmatenkov D.N.; Yagofarov M.I.; Mukhametzyanov T.A.; Ziganshin M.A.; Schick C.; Solomonov B.N. (2020)

© 2020 Elsevier B.V. Fast scanning calorimetry (FSC) enables to prevent the crystallization of many low-molecular-mass organic compounds. In spite of extremely high cooling rates accessible by fast scanning calorimetry, ...
A procedure for calibration of differential scanning calorimeters

Sedov I.; Muhametzyanov T.; Solomonov B. (2016)

© 2016 Elsevier B.V.A new approach to calibration of differential scanning calorimeters based on the difference in heat capacities of heavy and light water is described. The advantages of heavy water over salt solutions ...
A study of the heat capacity of ribonuclease a - water mixtures

Sirotkin V. (2014)

© 2014 by Nova Science Publishers, Inc. All rights reserved. Excess heat capacities of the binary system of bovine pancreatic ribonuclease A (RNase A) with water were obtained as a function of composition at 25°C. Differential ...
Application of fast scanning calorimetry to the fusion thermochemistry of low-molecular-weight organic compounds: Fast-crystallizing m-terphenyl heat capacities in a deeply supercooled liquid state

Yagofarov M.; Lapuk S.; Mukhametzyanov T.; Ziganshin M.; Schick C.; Solomonov B. (2018)

© 2018 Elsevier B.V. Fusion enthalpy temperature dependence is related to the difference in heat capacity of the liquid and solid. Below the melting temperature, it is hard to measure the liquid heat capacity using ...
Calculation of the fusion enthalpy temperature dependence of polyaromatic hydrocarbons from the molecular structure: Old and new approaches

Yagofarov M.I.; Solomonov B.N. (2021)

Experimental determination of the phase transition enthalpies temperature dependences requires measurement of the transition enthalpies or the heat capacities of the final and initial states in the temperature range of ...
Comprehensive study of the thermodynamic properties for 2-methyl-3-buten-2-ol

Zaitsau D.; Paulechka E.; Firaha D.; Blokhin A.; Kabo G.; Bazyleva A.; Kabo A.; Varfolomeev M.; Sevruk V. (2015)

© 2015 Elsevier Ltd. All rights reserved. The heat capacity of 2-methyl-3-buten-2-ol over the interval T = (5 to 370) K was measured in an adiabatic calorimeter. The standard entropy and heat capacity of the liquid phase ...
Comprehensive thermodynamic study of methylprednisolone

Knyazev A.; Emel'yanenko V.; Smirnova N.; Zaitsau D.; Stepanova O.; Shipilova A.; Markin A.; Gusarova E.; Knyazeva S.; Verevkin S. (2017)

© 2016 Elsevier LtdIn the present work the temperature dependence of heat capacity for methylprednisolone has been measured for the first time over the temperature range from 6 to 350 K using by precision adiabatic vacuum ...
Heat capacities of ionic liquids based on tetrahydrothiophenium cation and NTf<inf>2</inf> anion

Zaitsau D.H.; Schmitz A.; Janiak C.; Verevkin S.P. (2020)

© 2020 Elsevier B.V. The isobaric heat capacities of seven ionic liquids (ILs) based on the S-alkyl-tetrahydrothiophenium cation [CnTHT] with alkyl chain lengths of Cn = 4,5,6,7,8,9,10 and the bis[(trifluoromethyl)sulfonyl]imide, ...
New aspects of relationship between the enthalpies of fusion of aromatic compounds at the melting temperature and the enthalpies of solution in benzene at 298.15 K. Part II

Unknown author (2018)

© 2018 Elsevier Ltd In the present work we demonstrate how the relationship between fusion enthalpies at the melting temperature of aromatic compounds and solution enthalpy values in benzene at 298.15 K values is affected ...
New aspects of relationship between the enthalpies of fusion of aromatic compounds at the melting temperatures and the enthalpies of solution in benzene at 298.15 K. Part I

Unknown author (2018)

© 2017 Elsevier Ltd In the present work the relationship between the enthalpies of fusion at the melting temperatures and the enthalpies of solution in benzene at 298.15 K of aromatic compounds is discussed in details. The ...
Relationship between the heat capacity change on vaporization of normal and branched alkanes and the vaporization enthalpy and its prediction as a function of temperature

Yagofarov M.I.; Sokolov A.A.; Bolmatenkov D.N.; Solomonov B.N. (2021)

In the present work, the relationship between the difference of the heat capacities of the liquid and ideal gas and intermolecular interaction energy in alkanes was investigated. The vaporization enthalpy at 298.15 K was ...
The determination of the thermal properties of unconsolidated materials

Lipaev A.; Chugunov V.; Lipaev S.; Pashina A. (2012)

Heat transfer in a composite cylindrical region is considered. An approximate analytical solution of the direct problem is obtained. It is shown that, beginning at the instant t > t , the relative error of the solution ...
The fusion thermochemistry of rubrene and 9,10-diphenylanthracene between 298 and 650 K: Fast scanning and solution calorimetry

Bolmatenkov D.N.; Yagofarov M.I.; Mukhametzyanov T.A.; Ziganshin M.A.; Solomonov B.N. (2020)

© 2020 Elsevier B.V. The fusion enthalpies and the heat capacities of crystalline, molten, and supercooled liquid rubrene (Tm = 603 K) and 9,10-diphenylanthracene (Tm = 523 K) were measured using fast scanning calorimetry ...
The fusion thermochemistry of self-associated aromatic compounds at 298.15 K studied by solution calorimetry

Yagofarov M.; Lapuk S.; Mukhametzyanov T.; Ziganshin M.; Valiakhmetov T.; Solomonov B. (2019)

© 2019 Elsevier Ltd The solution calorimetry approach for determination of the fusion enthalpy at 298.15 K of aromatic compounds not capable of self-association was extended to those forming intermolecular hydrogen bonds. ...
The heat capacities and fusion thermochemistry of sugar alcohols between 298.15 K and T<inf>m</inf>: The study of D-sorbitol, D-mannitol and myo-inositol

Bolmatenkov D.N.; Yagofarov M.I.; Sokolov A.A.; Ziganshin M.A.; Solomonov B.N. (2021)

Fusion enthalpy and its temperature dependence are important characteristics of phase change materials efficiency. These parameters of three sugar alcohols: D-sorbitol, D-mannitol and myo-inositol – were investigated in ...
Thermochemical properties of 1,2,3,4-tetraphenylnaphthalene and 1,3,5-triphenylbenzene in crystalline and liquid states studied by solution and fast scanning calorimetry

Yagofarov M.; Lapuk S.; Mukhametzyanov T.; Ziganshin M.; Schick C.; Solomonov B. (2019)

© 2019 Elsevier B.V. Significant deviations were found between the solution enthalpy in benzene at 298.15 K and the fusion enthalpy at the melting temperature of 1,2,3,4-tetraphenylnaphthalene (3.9 ± 0.5 kJ mol −1 and ...
Thermodynamic and magnetic properties of the finite spin complexes of the Ising type

Khamzin A.; Nigmatullin R. (2014)

In the frame of the static fluctuation approximation (SFA) the analysis of the thermodynamic and magnetic properties of the finite spin clusters in the 1D Ising model is performed It has been shown that under the influence ...
Thermodynamic investigation of L-carnitine

Knyazev A.; Emel'yanenko V.; Shipilova A.; Zaitsau D.; Smirnova N.; Knyazeva S.; Gulenova M. (2019)

© 2018 Elsevier Ltd In the present work temperature dependence of heat capacity of L-carnitine has been measured for the first time over the range from 6 K to 346 K by precision adiabatic vacuum calorimetry. Based on the ...
Thermodynamic properties of methylprednisolone aceponate

Knyazev A.; Emel'yanenko V.; Smirnova N.; Stepanova O.; Shipilova A.; Markin A.; Samosudova Y.; Gusarova E.; Knyazeva S.; Verevkin S. (2016)

© 2016 Elsevier LtdIn the present work, temperature dependence of heat capacity of methylprednisolone aceponate has been measured for the first time over the range from 7 K to 346 K by precision adiabatic vacuum calorimetry. ...
Thermodynamic properties of myo-inositol

Knyazev A.; Emel'yanenko V.; Shipilova A.; Zaitsau D.; Lelet M.; Knyazeva S.; Gusarova E.; Varfolomeev M. (2018)

© 2017 Elsevier Ltd In the present work, the temperature dependence of heat capacity of vitamin B8 (myo-inositol) has been measured for the first time over the range from 8 K to 340 K by precision adiabatic vacuum calorimetry. ...

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Browsing by Subject "Heat capacity"

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