Abstract
The solubility of N-acetylglycine was measured in methanol, ethanol, propanol, isopropanol, n-butanol and ethyl formate in the temperature range between 278.15 and 319.15 K under atmospheric pressure by a gravimetric method. The solubility of N-acetylglycine in those selected solvents increases with increasing temperature. The solubility data were correlated with the van’t Hoff equation, the modified Apelblat equation and the λh equation to obtain the corresponding model parameters. The experimental results could be useful for optimizing the industrial process of purification of N-acetylglycine.
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Acknowledgments
This research work was financially supported by the National Natural Science Foundation of China (Grant No. 31171644), the Perspective Research Foundation of Production Study and the Research Alliance of Jiangsu Province of China (Grant No. SBY201120075), and the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No. 20113221110005). We thank the editors and the anonymous reviewers.
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Guo, S., Yang, W., Hu, Y. et al. Measurement and Correlation of the Solubility of N-Acetylglycine in Different Solvents at Temperatures from 278.15 to 319.15 K. J Solution Chem 42, 1879–1887 (2013). https://doi.org/10.1007/s10953-013-0074-y
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DOI: https://doi.org/10.1007/s10953-013-0074-y