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Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species

Wood is hygroscopic and therefore absorption and desorption occur naturally to achieve an equilibrium of moisture contents between wood and the surrounding environments. In wood, the sorption rate is different for different temperature and was dependent on wood species. Thus, fiber saturation point...

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Main Author: Low, Shook Ling
Format: Final Year Project Report
Language:English
Published: Universiti Malaysia Sarawak (UNIMAS) 2009
Subjects:
S Agriculture (General)
SD Forestry
Online Access:http://ir.unimas.my/id/eprint/28113/3/Low%20Shook%20Ling.pdf
http://ir.unimas.my/id/eprint/28113/
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spelling my.unimas.ir.281132023-12-20T05:11:03Z http://ir.unimas.my/id/eprint/28113/ Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species Low, Shook Ling S Agriculture (General) SD Forestry Wood is hygroscopic and therefore absorption and desorption occur naturally to achieve an equilibrium of moisture contents between wood and the surrounding environments. In wood, the sorption rate is different for different temperature and was dependent on wood species. Thus, fiber saturation point (FSP) is the key to determine the maximum amount of water that the composite layers of the cell walls can hold at a particular temperature and pressure. The FSP of 10 selected Sarawak wood species and 4 exotic species were determined by Awoyemi (adsorption-desorption intercept) method, Walker method, Awoyemi-Walker method and Vorreiter method. Results showed that the mean FSP of each species was significantly different (P<0.05) between the four methods. The FSP by Awoyemi method ranged from 19.83% to 61.25% between species, while the FSP for Walker's method, Awoyemi-walker's and Vorreiter method was range from 9.23% to 32.16%, 9.85% to 35.31% and 20.35% to 41.93% respectively. Analysis with wood physical properties, extractives contents and anatomical properties showed that not all the wood properties correlated significant with FSP. All 4 FSP methods were significantly positively correlated with water permeability (P<0.05). Also significantly negative correlation exists between basic density and water permeability, basic density and fiber lumen diameter, solvent extractives and fiber diameter, vessel density and vessel diameter; while positive correlation exists between solvent extractive and cold water solubility, cold water solubility and hot water solubility, fiber length and fiber diameter, fiber length and fiber wall thickness, fiber diameter and fiber lumen diameter (P<0.05). Universiti Malaysia Sarawak (UNIMAS) 2009 Final Year Project Report NonPeerReviewed text en http://ir.unimas.my/id/eprint/28113/3/Low%20Shook%20Ling.pdf Low, Shook Ling (2009) Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species. [Final Year Project Report] (Unpublished)
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
topic S Agriculture (General)
SD Forestry
spellingShingle S Agriculture (General)
SD Forestry
Low, Shook Ling
Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species
description Wood is hygroscopic and therefore absorption and desorption occur naturally to achieve an equilibrium of moisture contents between wood and the surrounding environments. In wood, the sorption rate is different for different temperature and was dependent on wood species. Thus, fiber saturation point (FSP) is the key to determine the maximum amount of water that the composite layers of the cell walls can hold at a particular temperature and pressure. The FSP of 10 selected Sarawak wood species and 4 exotic species were determined by Awoyemi (adsorption-desorption intercept) method, Walker method, Awoyemi-Walker method and Vorreiter method. Results showed that the mean FSP of each species was significantly different (P<0.05) between the four methods. The FSP by Awoyemi method ranged from 19.83% to 61.25% between species, while the FSP for Walker's method, Awoyemi-walker's and Vorreiter method was range from 9.23% to 32.16%, 9.85% to 35.31% and 20.35% to 41.93% respectively. Analysis with wood physical properties, extractives contents and anatomical properties showed that not all the wood properties correlated significant with FSP. All 4 FSP methods were significantly positively correlated with water permeability (P<0.05). Also significantly negative correlation exists between basic density and water permeability, basic density and fiber lumen diameter, solvent extractives and fiber diameter, vessel density and vessel diameter; while positive correlation exists between solvent extractive and cold water solubility, cold water solubility and hot water solubility, fiber length and fiber diameter, fiber length and fiber wall thickness, fiber diameter and fiber lumen diameter (P<0.05).
format Final Year Project Report
author Low, Shook Ling
author_facet Low, Shook Ling
author_sort Low, Shook Ling
title Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species
title_short Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species
title_full Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species
title_fullStr Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species
title_full_unstemmed Detennination ofFiber Saturation Point of Selected Sarawak and Exotic Wood Species
title_sort detennination offiber saturation point of selected sarawak and exotic wood species
publisher Universiti Malaysia Sarawak (UNIMAS)
publishDate 2009
url http://ir.unimas.my/id/eprint/28113/3/Low%20Shook%20Ling.pdf
http://ir.unimas.my/id/eprint/28113/
_version_ 1787140491104485376
score 13.211869

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