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Journal of Solution Chemistry

, Volume 26, Issue 6, pp 551–560 | Cite as

Apparent molar volumes and heat capacities of aqueous solutions of 6,6,9-trimethyladenine and 6,6-dimethyladenine at 25°C, 35°C, and 45°C

  • A. Zielenkiewicz
  • M. Wszelaka-Rylik
Article

Abstract

Experimental data for aqueous solutions of 6,6,9-trimethyladenine at concentrations from 0.006 to 0.020 molal is provided from differential scanning adiabatic calorimetry, batch calorimetry, and densimetry. The data show nonlinear variations of apparent molar volumes and heat capacities with temperature and concentration. The properties of aqueous solutions of 6,6-dimethyladenine investigated over a similar range of concentration present similar behavior as those of other purine derivatives.

Key Words

Apparent molar volume apparent molar heat capacity 6,6-dimethyladenine 6,6,9-trimethyladenine 

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Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • A. Zielenkiewicz
    • 1
  • M. Wszelaka-Rylik
    • 1
  1. 1.Institute of Physical ChemistryPolish Academy of SciencesWarsawPoland

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