Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 104: Issue 3
Dissolution properties of oxymatrine in citric acid solution
Authors:
Z. X. Li Department of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, Shaanxi, People’s Republic of China

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X. H. Pu Department of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, Shaanxi, People’s Republic of China

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W. W. Zhao College of Science, Northwest A&F University, Yangling 712100, Shaanxi, People’s Republic of China
Department of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721013, Shaanxi, People’s Republic of China

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Pages:
1191–1194
Online Publication Date:
17 Feb 2011
Publication Date:
01 Jun 2011
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-011-1355-6
Keywords:
Thermodynamics; Kinetics; Dissolution; Oxymatrine; Citric acid solution
Restricted access

Abstract

In this article, the enthalpy of dissolution for oxymatrine in 0.15 M citric acid solution is measured using a RD496-2000 Calvet Microcalorimeter at 36.5 °C under atmospheric pressure. The differential enthalpy (ΔdifHm) and molar enthalpy (ΔsolHm) were determined for oxymatrine dissolution in 0.15 M citric acid solution. On the basis of these experimental data and calculated results, the kinetic equation, half-life, ΔsolHm, ΔsolGm, and ΔsolSm of the dissolution process were also obtained.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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