Saccharose

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T. Schöck - One of the best experts on this subject based on the ideXlab platform.

  • influence of dissolved carbon dioxide on the sound velocity and adiabatic compressibility in aqueous solutions with Saccharose and ethanol
    Journal of Molecular Liquids, 2012
    Co-Authors: T. Schöck, Bernd Hitzmann, M A Hussein, Thomas Becker
    Abstract:

    Abstract Alcoholic fermentation fluids are containing various sugars, ethanol and carbon dioxide in aqueous solution. Precondition for the concentration determination with ultrasound based methods is a calibration model describing the dependency of typical ultrasound parameters like the sound velocity from the concentration of the dissolved components and the temperature. For this reason, the sound velocity c in aqueous solutions with CO2, CO2 + Saccharose, CO2 + ethanol and CO2 + Saccharose + ethanol in dependence of the temperature in a range of 2 °C up to 30 °C and constant CO2-pressures of 2.01 ∙ 105 Pa and 3.01 ∙ 105 Pa was measured and compared with the data in equivalent solutions without a carbon dioxide fraction. Carbon dioxide induces, like the components Saccharose and ethanol, an increase Δc of the sound velocity. The density ρ of the investigated fluids was calculated by the interpolation of literature data combined with several approximation approaches. The adiabatic compressibility κ, which can be determined from the relationship κ = 1/(c2 ∙ ρ), is decreased by all investigated solutes, showing a linear dependency from their mole fractions χ. Different values ∂κ/∂χ can be explained by the molecular structure of the investigated molecules. It could be shown, that the overall decrease ΔκSa + Et + CO2 of the compressibility induced by Saccharose, ethanol and CO2 can be depicted as a sum ΔκSa + ΔκEt + ΔκCO2 of contributions generated in solutions containing only one of the three components. Regression functions ΔcSa + Et + CO2(χSa, χEt, χCO2, T), ΔκSa + Et + CO2(χSa, χEt, χCO2, T) have been calculated for the change of the sound velocity and compressibility respectively.

  • Influence of dissolved carbon dioxide on the sound velocity and adiabatic compressibility in aqueous solutions with Saccharose and ethanol
    Journal of Molecular Liquids, 2012
    Co-Authors: T. Schöck, Bernd Hitzmann, M Hussein, Th. Becker
    Abstract:

    Alcoholic fermentation fluids are containing various sugars, ethanol and carbon dioxide in aqueous solution. Precondition for the concentration determination with ultrasound based methods is a calibration model describing the dependency of typical ultrasound parameters like the sound velocity from the concentration of the dissolved components and the temperature. For this reason, the sound velocity c in aqueous solutions with CO2, CO2+ Saccharose, CO2+ ethanol and CO2+ Saccharose + ethanol in dependence of the temperature in a range of 2 °C up to 30 °C and constant CO2-pressures of 2.01 · 105Pa and 3.01 · 105Pa was measured and compared with the data in equivalent solutions without a carbon dioxide fraction. Carbon dioxide induces, like the components Saccharose and ethanol, an increase Δc of the sound velocity. The density ρ of the investigated fluids was calculated by the interpolation of literature data combined with several approximation approaches. The adiabatic compressibility κ, which can be determined from the relationship κ = 1/(c2· ρ), is decreased by all investigated solutes, showing a linear dependency from their mole fractions χ. Different values ∂κ/∂χ can be explained by the molecular structure of the investigated molecules. It could be shown, that the overall decrease ΔκSa + Et + CO2of the compressibility induced by Saccharose, ethanol and CO2can be depicted as a sum ΔκSa+ ΔκEt+ ΔκCO2of contributions generated in solutions containing only one of the three components. Regression functions ΔcSa + Et + CO2(χSa, χEt, χCO2, T), ΔκSa + Et + CO2(χSa, χEt, χCO2, T) have been calculated for the change of the sound velocity and compressibility respectively. © 2012 Elsevier B.V. All rights reserved.

Thomas Becker - One of the best experts on this subject based on the ideXlab platform.

  • influence of dissolved carbon dioxide on the sound velocity and adiabatic compressibility in aqueous solutions with Saccharose and ethanol
    Journal of Molecular Liquids, 2012
    Co-Authors: T. Schöck, Bernd Hitzmann, M A Hussein, Thomas Becker
    Abstract:

    Abstract Alcoholic fermentation fluids are containing various sugars, ethanol and carbon dioxide in aqueous solution. Precondition for the concentration determination with ultrasound based methods is a calibration model describing the dependency of typical ultrasound parameters like the sound velocity from the concentration of the dissolved components and the temperature. For this reason, the sound velocity c in aqueous solutions with CO2, CO2 + Saccharose, CO2 + ethanol and CO2 + Saccharose + ethanol in dependence of the temperature in a range of 2 °C up to 30 °C and constant CO2-pressures of 2.01 ∙ 105 Pa and 3.01 ∙ 105 Pa was measured and compared with the data in equivalent solutions without a carbon dioxide fraction. Carbon dioxide induces, like the components Saccharose and ethanol, an increase Δc of the sound velocity. The density ρ of the investigated fluids was calculated by the interpolation of literature data combined with several approximation approaches. The adiabatic compressibility κ, which can be determined from the relationship κ = 1/(c2 ∙ ρ), is decreased by all investigated solutes, showing a linear dependency from their mole fractions χ. Different values ∂κ/∂χ can be explained by the molecular structure of the investigated molecules. It could be shown, that the overall decrease ΔκSa + Et + CO2 of the compressibility induced by Saccharose, ethanol and CO2 can be depicted as a sum ΔκSa + ΔκEt + ΔκCO2 of contributions generated in solutions containing only one of the three components. Regression functions ΔcSa + Et + CO2(χSa, χEt, χCO2, T), ΔκSa + Et + CO2(χSa, χEt, χCO2, T) have been calculated for the change of the sound velocity and compressibility respectively.

Bernd Hitzmann - One of the best experts on this subject based on the ideXlab platform.

  • influence of dissolved carbon dioxide on the sound velocity and adiabatic compressibility in aqueous solutions with Saccharose and ethanol
    Journal of Molecular Liquids, 2012
    Co-Authors: T. Schöck, Bernd Hitzmann, M A Hussein, Thomas Becker
    Abstract:

    Abstract Alcoholic fermentation fluids are containing various sugars, ethanol and carbon dioxide in aqueous solution. Precondition for the concentration determination with ultrasound based methods is a calibration model describing the dependency of typical ultrasound parameters like the sound velocity from the concentration of the dissolved components and the temperature. For this reason, the sound velocity c in aqueous solutions with CO2, CO2 + Saccharose, CO2 + ethanol and CO2 + Saccharose + ethanol in dependence of the temperature in a range of 2 °C up to 30 °C and constant CO2-pressures of 2.01 ∙ 105 Pa and 3.01 ∙ 105 Pa was measured and compared with the data in equivalent solutions without a carbon dioxide fraction. Carbon dioxide induces, like the components Saccharose and ethanol, an increase Δc of the sound velocity. The density ρ of the investigated fluids was calculated by the interpolation of literature data combined with several approximation approaches. The adiabatic compressibility κ, which can be determined from the relationship κ = 1/(c2 ∙ ρ), is decreased by all investigated solutes, showing a linear dependency from their mole fractions χ. Different values ∂κ/∂χ can be explained by the molecular structure of the investigated molecules. It could be shown, that the overall decrease ΔκSa + Et + CO2 of the compressibility induced by Saccharose, ethanol and CO2 can be depicted as a sum ΔκSa + ΔκEt + ΔκCO2 of contributions generated in solutions containing only one of the three components. Regression functions ΔcSa + Et + CO2(χSa, χEt, χCO2, T), ΔκSa + Et + CO2(χSa, χEt, χCO2, T) have been calculated for the change of the sound velocity and compressibility respectively.

  • Influence of dissolved carbon dioxide on the sound velocity and adiabatic compressibility in aqueous solutions with Saccharose and ethanol
    Journal of Molecular Liquids, 2012
    Co-Authors: T. Schöck, Bernd Hitzmann, M Hussein, Th. Becker
    Abstract:

    Alcoholic fermentation fluids are containing various sugars, ethanol and carbon dioxide in aqueous solution. Precondition for the concentration determination with ultrasound based methods is a calibration model describing the dependency of typical ultrasound parameters like the sound velocity from the concentration of the dissolved components and the temperature. For this reason, the sound velocity c in aqueous solutions with CO2, CO2+ Saccharose, CO2+ ethanol and CO2+ Saccharose + ethanol in dependence of the temperature in a range of 2 °C up to 30 °C and constant CO2-pressures of 2.01 · 105Pa and 3.01 · 105Pa was measured and compared with the data in equivalent solutions without a carbon dioxide fraction. Carbon dioxide induces, like the components Saccharose and ethanol, an increase Δc of the sound velocity. The density ρ of the investigated fluids was calculated by the interpolation of literature data combined with several approximation approaches. The adiabatic compressibility κ, which can be determined from the relationship κ = 1/(c2· ρ), is decreased by all investigated solutes, showing a linear dependency from their mole fractions χ. Different values ∂κ/∂χ can be explained by the molecular structure of the investigated molecules. It could be shown, that the overall decrease ΔκSa + Et + CO2of the compressibility induced by Saccharose, ethanol and CO2can be depicted as a sum ΔκSa+ ΔκEt+ ΔκCO2of contributions generated in solutions containing only one of the three components. Regression functions ΔcSa + Et + CO2(χSa, χEt, χCO2, T), ΔκSa + Et + CO2(χSa, χEt, χCO2, T) have been calculated for the change of the sound velocity and compressibility respectively. © 2012 Elsevier B.V. All rights reserved.

Th. Becker - One of the best experts on this subject based on the ideXlab platform.

  • Influence of dissolved carbon dioxide on the sound velocity and adiabatic compressibility in aqueous solutions with Saccharose and ethanol
    Journal of Molecular Liquids, 2012
    Co-Authors: T. Schöck, Bernd Hitzmann, M Hussein, Th. Becker
    Abstract:

    Alcoholic fermentation fluids are containing various sugars, ethanol and carbon dioxide in aqueous solution. Precondition for the concentration determination with ultrasound based methods is a calibration model describing the dependency of typical ultrasound parameters like the sound velocity from the concentration of the dissolved components and the temperature. For this reason, the sound velocity c in aqueous solutions with CO2, CO2+ Saccharose, CO2+ ethanol and CO2+ Saccharose + ethanol in dependence of the temperature in a range of 2 °C up to 30 °C and constant CO2-pressures of 2.01 · 105Pa and 3.01 · 105Pa was measured and compared with the data in equivalent solutions without a carbon dioxide fraction. Carbon dioxide induces, like the components Saccharose and ethanol, an increase Δc of the sound velocity. The density ρ of the investigated fluids was calculated by the interpolation of literature data combined with several approximation approaches. The adiabatic compressibility κ, which can be determined from the relationship κ = 1/(c2· ρ), is decreased by all investigated solutes, showing a linear dependency from their mole fractions χ. Different values ∂κ/∂χ can be explained by the molecular structure of the investigated molecules. It could be shown, that the overall decrease ΔκSa + Et + CO2of the compressibility induced by Saccharose, ethanol and CO2can be depicted as a sum ΔκSa+ ΔκEt+ ΔκCO2of contributions generated in solutions containing only one of the three components. Regression functions ΔcSa + Et + CO2(χSa, χEt, χCO2, T), ΔκSa + Et + CO2(χSa, χEt, χCO2, T) have been calculated for the change of the sound velocity and compressibility respectively. © 2012 Elsevier B.V. All rights reserved.

M A Hussein - One of the best experts on this subject based on the ideXlab platform.

  • influence of dissolved carbon dioxide on the sound velocity and adiabatic compressibility in aqueous solutions with Saccharose and ethanol
    Journal of Molecular Liquids, 2012
    Co-Authors: T. Schöck, Bernd Hitzmann, M A Hussein, Thomas Becker
    Abstract:

    Abstract Alcoholic fermentation fluids are containing various sugars, ethanol and carbon dioxide in aqueous solution. Precondition for the concentration determination with ultrasound based methods is a calibration model describing the dependency of typical ultrasound parameters like the sound velocity from the concentration of the dissolved components and the temperature. For this reason, the sound velocity c in aqueous solutions with CO2, CO2 + Saccharose, CO2 + ethanol and CO2 + Saccharose + ethanol in dependence of the temperature in a range of 2 °C up to 30 °C and constant CO2-pressures of 2.01 ∙ 105 Pa and 3.01 ∙ 105 Pa was measured and compared with the data in equivalent solutions without a carbon dioxide fraction. Carbon dioxide induces, like the components Saccharose and ethanol, an increase Δc of the sound velocity. The density ρ of the investigated fluids was calculated by the interpolation of literature data combined with several approximation approaches. The adiabatic compressibility κ, which can be determined from the relationship κ = 1/(c2 ∙ ρ), is decreased by all investigated solutes, showing a linear dependency from their mole fractions χ. Different values ∂κ/∂χ can be explained by the molecular structure of the investigated molecules. It could be shown, that the overall decrease ΔκSa + Et + CO2 of the compressibility induced by Saccharose, ethanol and CO2 can be depicted as a sum ΔκSa + ΔκEt + ΔκCO2 of contributions generated in solutions containing only one of the three components. Regression functions ΔcSa + Et + CO2(χSa, χEt, χCO2, T), ΔκSa + Et + CO2(χSa, χEt, χCO2, T) have been calculated for the change of the sound velocity and compressibility respectively.