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Ecotoxicity of heat-treated Kapur and Japanese larch

Kapur (Dryobalanops sp.) and Japanese larch (Larix kaempferi) wood samples were heat-treated in air at 180 °C for 24 and 48 h. Leaching and toxicity tests were conducted to determine the ecotoxicity effect of these heat-treated woods on the aquatic environment due to heat treatment. The toxicity of...

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Main Authors: Salim, Sabiha, Ashaari, Zaidon, Choi, Yong Seok, Cho, Kijong, Jung, Jinho, Kim, Gyu Hyeok
Format: Article
Language:English
Published: Springer 2016
Online Access:http://psasir.upm.edu.my/id/eprint/16739/1/Ecotoxicity%20of%20heat-treated%20Kapur%20and%20Japanese%20larch.pdf
http://psasir.upm.edu.my/id/eprint/16739/
http://link.springer.com/article/10.1007%2Fs00107-015-1000-3
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spelling my.upm.eprints.167392016-06-08T03:37:17Z http://psasir.upm.edu.my/id/eprint/16739/ Ecotoxicity of heat-treated Kapur and Japanese larch Salim, Sabiha Ashaari, Zaidon Choi, Yong Seok Cho, Kijong Jung, Jinho Kim, Gyu Hyeok Kapur (Dryobalanops sp.) and Japanese larch (Larix kaempferi) wood samples were heat-treated in air at 180 °C for 24 and 48 h. Leaching and toxicity tests were conducted to determine the ecotoxicity effect of these heat-treated woods on the aquatic environment due to heat treatment. The toxicity of conventional preservative-treated woods, i.e. chromated copper arsenate (CCA) and ammoniacal copper quat (ACQ), was also determined for comparison purposes. Acute toxicity tests were performed using two aquatic organisms, Daphnia magna and Vibrio fischeri according to the Organization for Economic Co-operation and Development standard procedures and Microtox assay, respectively. Significantly low toxicity to D. magna was found for the heat-treated Kapur compared to that of untreated Kapur, while heat-treated Japanese larch did not show any toxicity effect. As expected, ACQ-treated samples showed the highest toxicity to D. magna, followed by that of CCA, though toxicity of both preservative-treated woods further reduced over time. Hence, heat treatment of Kapur and Japanese larch were believed to be not harmful to the aquatic ecosystem. Springer 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/16739/1/Ecotoxicity%20of%20heat-treated%20Kapur%20and%20Japanese%20larch.pdf Salim, Sabiha and Ashaari, Zaidon and Choi, Yong Seok and Cho, Kijong and Jung, Jinho and Kim, Gyu Hyeok (2016) Ecotoxicity of heat-treated Kapur and Japanese larch. European Journal of Wood and Wood Products, 74 (2). pp. 243-248. ISSN 0018-3768; ESSN: 1436-736X http://link.springer.com/article/10.1007%2Fs00107-015-1000-3 10.1007/s00107-015-1000-3
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Kapur (Dryobalanops sp.) and Japanese larch (Larix kaempferi) wood samples were heat-treated in air at 180 °C for 24 and 48 h. Leaching and toxicity tests were conducted to determine the ecotoxicity effect of these heat-treated woods on the aquatic environment due to heat treatment. The toxicity of conventional preservative-treated woods, i.e. chromated copper arsenate (CCA) and ammoniacal copper quat (ACQ), was also determined for comparison purposes. Acute toxicity tests were performed using two aquatic organisms, Daphnia magna and Vibrio fischeri according to the Organization for Economic Co-operation and Development standard procedures and Microtox assay, respectively. Significantly low toxicity to D. magna was found for the heat-treated Kapur compared to that of untreated Kapur, while heat-treated Japanese larch did not show any toxicity effect. As expected, ACQ-treated samples showed the highest toxicity to D. magna, followed by that of CCA, though toxicity of both preservative-treated woods further reduced over time. Hence, heat treatment of Kapur and Japanese larch were believed to be not harmful to the aquatic ecosystem.
format Article
author Salim, Sabiha
Ashaari, Zaidon
Choi, Yong Seok
Cho, Kijong
Jung, Jinho
Kim, Gyu Hyeok
spellingShingle Salim, Sabiha
Ashaari, Zaidon
Choi, Yong Seok
Cho, Kijong
Jung, Jinho
Kim, Gyu Hyeok
Ecotoxicity of heat-treated Kapur and Japanese larch
author_facet Salim, Sabiha
Ashaari, Zaidon
Choi, Yong Seok
Cho, Kijong
Jung, Jinho
Kim, Gyu Hyeok
author_sort Salim, Sabiha
title Ecotoxicity of heat-treated Kapur and Japanese larch
title_short Ecotoxicity of heat-treated Kapur and Japanese larch
title_full Ecotoxicity of heat-treated Kapur and Japanese larch
title_fullStr Ecotoxicity of heat-treated Kapur and Japanese larch
title_full_unstemmed Ecotoxicity of heat-treated Kapur and Japanese larch
title_sort ecotoxicity of heat-treated kapur and japanese larch
publisher Springer
publishDate 2016
url http://psasir.upm.edu.my/id/eprint/16739/1/Ecotoxicity%20of%20heat-treated%20Kapur%20and%20Japanese%20larch.pdf
http://psasir.upm.edu.my/id/eprint/16739/
http://link.springer.com/article/10.1007%2Fs00107-015-1000-3
_version_ 1643826304422772736
score 13.223943

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