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Physico-Chemical and Structural Studies on Starch in Aqueous Media at 298.15 K

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This articles presents ultrasonic velocity, density and viscosity of amylase have been measured in aqueous media at 298.15 K. Acoustical/density parameters such as molar volume (Vm ), isentropic Compressibility (βr ), thermal expansion coefficient (α), relaxation time (t), relaxation strength (α r ), relative viscosity (η r ), Enthalpy (H), Activation Energy (G), Surface Tension (σ), van der Walls constant (b), molecular radius (r), Geometrical volume (B), molar surface area (Y), Collision factor (S) and classical absorption coefficient (α/f 2) have been calculated from the measured parameters. Different acoustic magnitudes being computed due to their importance in the study of specific molecular interactions and, with theoretical calculations.
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Document Type: Research Article

Publication date: June 1, 2013

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  • Advanced Chemistry Letters is an international multidisciplinary peer-reviewed journal covering all fundamental and applied research areas of chemical sciences including organic chemistry, inorganic chemistry, synthetic chemistry, medicinal chemistry, analytical chemistry, organometallic chemistry, nuclear chemistry, electrochemistry, atmospheric chemistry, environmental chemistry, materials chemistry, materials science, supramolecular chemistry, physical chemistry, polymer chemistry, bioinorganic chemistry, physical organic chemistry, surface chemistry, biochemistry, molecular biology, chemical biology, food chemistry, natural product chemistry, neurochemistry, pharmacology, photochemistry, photobiology, toxicology, nanoscience, nanotechnology, agrochemistry, green chemistry, marine chemistry, geochemistry, petrochemistry, radiochemistry, astrochemistry, molecular physics, chemical engineering, quantum chemistry, and theoretical and computational chemistry.
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