IMMOBiliZATION OF HUMICACID ONTO CHITOSAN USINGTOSYlATION METHOD WITH 1,4-BUTANEDIOl AS A SPACER ARM

• Main Author: Perpustakaan UGM, i-lib
• Format: Article NonPeerReviewed
• Published: [Yogyakarta] : Universitas Gadjah Mada 2011
• Subjects: Jurnal i-lib UGM
• Online Access: https://repository.ugm.ac.id/28542/; http://i-lib.ugm.ac.id/jurnal/download.php?dataId=11605
• Institution: Universitas Gadjah Mada

Immobilization of humic acid (HA) onto chitosan using tosylation method with 1,4-butanediolas 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-phthalo...