IMMOBILIZATION OF HUMIC ACID ONTO CHITOSAN USING TOSYLATION METHOD WITH 1,4-BUTANEDIOL AS A SPACER ARM

Immobilization of humic acid (HA) onto chitosan using tosylation method with 1,4-butanediol as a spacer arm has been evaluated. Chitosan was phthaloylated selectively using phthalic anhydride in dimethylformamide as solvent with addition of 5% water (v/v) as cosolvent prior to be tosylated. N-phthal...

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Bibliographic Details
Main Authors: Uripto Trisno Santoso, Radna Nurmasari, Dewi Umaningrum, Sri Juari Santosa, Bambang Rusdiarso, Dwi Siswanta
Format: Article
Language:English
Published: Department of Chemistry, Universitas Gadjah Mada 2012-02-01
Series:Indonesian Journal of Chemistry
Subjects:
Online Access:https://jurnal.ugm.ac.id/ijc/article/view/21369