A New Approach for Study of pH- Solubility Profile of Bleached Shellac Film by Drop Shape Analysis

Suthep Saengsod; Manee Luangtana-Anan

doi:10.4028/www.scientific.net/AMR.1060.141

Paper Titles

Comparative Molecular Similarity Indices Analysis Studies on Chromone Derivatives as Topoisomerase I Inhibitors
p.124

Effect of Glycerol on Properties of Tapioca Starch-Based Films
p.128

Chemometric and Experimental Investigations of Organogelation Based on β-Cyclodextrin
p.133

Swelling Behaviour of Carboxymethylated Tamarind Gum
p.137

A New Approach for Study of pH- Solubility Profile of Bleached Shellac Film by Drop Shape Analysis
p.141

Application of Artificial Neural Networks for Prediction of Ibuprofen Yield from Ultrasound-Assisted Anti-Solvent Crystallization
p.145

Comparison of Solvent Miscibility of Coconut Oil and its Modified Forms
p.151

Comparison of In Vitro Binding of Various Bile Salts by Coconut Fibers
p.155

N-Benzyl Chitosan In Situ Forming Antimicrobial Gel for Periodontitis Treatment
p.159

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1060A New Approach for Study of pH- Solubility Profile...

A New Approach for Study of pH- Solubility Profile of Bleached Shellac Film by Drop Shape Analysis

Abstract:

The aim of this study was to apply contact angle method for the determination of the pH solubility profile of bleached shellac film. Various pH of buffer solution was dropped on the bleached shellac film and drop shape analysis was investigated. The changes in the contact angle and contact line were recorded during 10-min measurement. The graphs of change in slope –obtained from plot between contact angle and time-and % change in contact line were plotted against various pH. The results illustrated the slight change in slope and % change in contact line at low pH while the significant change was reported at high pH. The results were in agreement with % dissolved film at various pH. The bleached shellac film started to dissolve at pH 7. The higher % dissolved film was obtained at pH 8 and 9 and at pH 10 was completely dissolved. Therefore, the contact angle method by the drop shape analysis, a simple method and less solvent used, can be an indicator for determination of pH solubility profile of bleached shellac. The result obtained could then be applied to the other substances.

You might also be interested in these eBooks

Pharmaceutical Formulation and Development

View Preview

Info:

Periodical:

Advanced Materials Research (Volume 1060)

Pages:

141-144

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1060.141

Citation:

Cite this paper

Online since:

December 2014

Authors:

Suthep Saengsod, Manee Luangtana-Anan*

Keywords:

Bleached Shellac, Contact Angle, Drop Shape Analysis, pH Solubility

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

* - Corresponding Author

References

[1] P. Kraisit et al.: Adv. Mater. Res. Vol. 506 (2012), p.270.

Google Scholar

[2] L. Mazzola, E. Bemporad and F. Carassiti: Measurement. Vol. 45 (2012), p.317.

Google Scholar

[3] Information on http: /en. wikipedia. org/wiki/Contact_angle.

Google Scholar

[4] Information on http: /en. wikipedia. org/wiki/Sessile_drop_technique.

Google Scholar

[5] S. Limmatvapirat et al.: Eur. J. Pharm. Biopharm. Vol. 70 (2008), p.335.

Google Scholar

[6] S. Limmatvapirat et al.: Eur. J. Pharm. Biopharm. Vol. 67 (2007), p.690.

Google Scholar

[7] S. Limmatvapirat et al.: Int. J. Pharm. Vol. 278 (2004), p.41.

Google Scholar

[8] S.H.W. Wu, D.M. Wyatt, and M.W. Adams, In: Aqueous Polymeric Coatings for Pharmaceutical Dosage Forms, edtied by J.W. McGinity Publications/Marcel Dekker, NY (1997), p.385–418.

Google Scholar