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- W2365536369 abstract "Peroxide,sodium hypochlorite and potassium peridodate were used for oxidation of chitosan.The effects of the amount of oxidant,reaction pH and time on the carbonyl group content of the product can be determined by orthogonal test.The results indicated that the optimal parameters were 15% amount,reaction pH4.0 and 6 hours for peroxide system,and the parameters were 25%,pH9.0,3 hours and 100%,pH3.0 and 4 hours for NaClO and KIO4 system,respectively.And the carbonyl content of products was 46.87%,30.72% and 94.45%.At the same time,the FT-IR of oxidized chitosan also showed that the hydroxyl group had been oxidized to carbonyl group.And the SEM of all samples indicated the surface morphology of modified chitosan has an obvious change.The particle size of oxidized chitosan is well-distributed,but the surface is rougher." @default.
- W2365536369 created "2016-06-24" @default.
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- W2365536369 date "2012-01-01" @default.
- W2365536369 modified "2023-09-24" @default.
- W2365536369 title "The Oxidation of Chitosan and Analysis of Carbonyl Group" @default.
- W2365536369 hasPublicationYear "2012" @default.
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