Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique

Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique

Carboxymethyl starch (CMS) and carboxymethyl sago waste (CMSW) were synthesized in completely heterogeneous conditions as a product of the reaction of sago starch or sago waste and sodium monochloroacetate (CICH₂COONa) in isopropanol and sodium hydroxide (NaOH). The influence of various parameter...

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Main Author: Zainuddin, Norhazlin
Format: Thesis
Language:English
English
Published: 2003
Subjects:
Sago
Starch - Synthesis
Online Access:http://psasir.upm.edu.my/id/eprint/9564/1/FSAS_2003_25.pdf
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spelling my-upm-ir.95642024-03-08T07:05:43Z Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique 2003 Zainuddin, Norhazlin Carboxymethyl starch (CMS) and carboxymethyl sago waste (CMSW) were synthesized in completely heterogeneous conditions as a product of the reaction of sago starch or sago waste and sodium monochloroacetate (CICH₂COONa) in isopropanol and sodium hydroxide (NaOH). The influence of various parameters on the degree of substitution (DS) was determined. The optimum conditions obtained for CMS were as follows: NaOH concentration, 20% w/v; reaction time, 1 h; reaction temperature, 55°C; and amount of CICH₂COONa, 1.5 mole. Meanwhile the optimum conditions for carboxymethylation of sago waste were as follows: NaOH concentration, 25 % w/v; reaction time, 2 h; reaction temperature, 55°C; and amount of CICI-bCOONa, 2.0 mole. The DS and reaction efficiency (RE) under optimum conditions for CMS were 1.05 and· 85.9%, respectively, whereas for CMSW were 1.04 and 79.5%, respectively. Sago Starch - Synthesis 2003 Thesis http://psasir.upm.edu.my/id/eprint/9564/ http://psasir.upm.edu.my/id/eprint/9564/1/FSAS_2003_25.pdf text en public masters Universiti Putra Malaysia Sago Starch - Synthesis Faculty of Science and Environmental Studies Ahmad, Mansor English
institution Universiti Putra Malaysia
collection PSAS Institutional Repository
language English
English
advisor Ahmad, Mansor
topic Sago
Starch - Synthesis
spellingShingle Sago
Starch - Synthesis

Zainuddin, Norhazlin
Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique
description Carboxymethyl starch (CMS) and carboxymethyl sago waste (CMSW) were synthesized in completely heterogeneous conditions as a product of the reaction of sago starch or sago waste and sodium monochloroacetate (CICH₂COONa) in isopropanol and sodium hydroxide (NaOH). The influence of various parameters on the degree of substitution (DS) was determined. The optimum conditions obtained for CMS were as follows: NaOH concentration, 20% w/v; reaction time, 1 h; reaction temperature, 55°C; and amount of CICH₂COONa, 1.5 mole. Meanwhile the optimum conditions for carboxymethylation of sago waste were as follows: NaOH concentration, 25 % w/v; reaction time, 2 h; reaction temperature, 55°C; and amount of CICI-bCOONa, 2.0 mole. The DS and reaction efficiency (RE) under optimum conditions for CMS were 1.05 and· 85.9%, respectively, whereas for CMSW were 1.04 and 79.5%, respectively.
format Thesis
qualification_level Master's degree
author Zainuddin, Norhazlin
author_facet Zainuddin, Norhazlin
author_sort Zainuddin, Norhazlin
title Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique
title_short Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique
title_full Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique
title_fullStr Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique
title_full_unstemmed Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique
title_sort carboxymethylation of sago starch and sago waste and the formation of carboxymethyl starchhydrogel via irradiation technique
granting_institution Universiti Putra Malaysia
granting_department Faculty of Science and Environmental Studies
publishDate 2003
url http://psasir.upm.edu.my/id/eprint/9564/1/FSAS_2003_25.pdf
_version_ 1794018849192935424

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