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Abstract
Chitosan obtained by deacetylation of chitin is treated with alkali aqueous H2O2 solutions containing stabilizers MgSO4. Thus, 2.40 gram of 3.5% aqueous H2O2 was combined with 0.78 gram MgSO4.7H20, 90.06 gram deionized water, and 1.56 gram of 5% aqueous NaOH to give a bleach solution. This was heated to 70°C, combined with 5.20gram powder of lightly brown chitosan then allowed to react for 2 hours and to rest for 24 hours at the ambient temperature given a chitosan product which was light yellow.
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Article Details
Issue: Vol 4 No 3&4 (2001)
Page No.: 61-70
Published: Apr 30, 2001
Section: Article
DOI: https://doi.org/10.32508/stdj.v4i3&4.3486
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Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
How to Cite
Ngoc Chinh, V., Thanh Hai, N., Ngoc Le, T., & Thanh Truc, D. (2001). WHITENING CHITOSAN WITH ALKALI AQUEOUS H2O2 SOLUTION. Science and Technology Development Journal, 4(3&4), 61-70. https://doi.org/https://doi.org/10.32508/stdj.v4i3&4.3486
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