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Turmuzi Tammi
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Chemistry

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VARIASI KONSENTRASI DAN pH TERHADAP KEMAMPUAN KITOSAN DALAM MENGADSORPSI METILEN BIRU Turmuzi Tammi; Ni Made Suaniti; Manuntun Manurung
Jurnal Kimia (Journal of Chemistry) Vol. 7, No. 1 Januari 2013
Publisher : Program Studi Kimia, FMIPA, Universitas Udayana (Program of Study in Chemistry, Faculty of Mathematics and Natural Sciences, Udayana University), Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (178.525 KB) | DOI: 10.24843/JCHEM.2013.v07.i01.p02

Abstract

The effects of chitosan concentration and pH on adsorption properties of the chitosan extracted from shrimp shell waste to adsorb methylen blue had been studied. Chitosan was made by two steps namely the isolation of chitin and the chitin deacetylation. The chitin isolation itself was conducted by three sequence procedures which were deproteination, demineralization, and depigmentation. The deacetylation was conducted by heating the chitin obtained in the concentrated solution of NaOH 50% (w/v) at 90oC for 120 minutes. The degree of the deacetylation was 54,65%. The maximum concentration of 0,2% (w/v) at pH 7 showed the highest adsorption (%D) of 50 mL  10 ppm methylene blue of 95,044%. 
Co-Authors Manuntun Manurung Ni Made Suaniti