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Study of the Determination of the Ultimate Aerobic Biodegradability of Plastic Materials Under Controlled Composting Conditions |
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| Authors: | Akira Hoshino Maso Tsuji Masanori Momochi Akiko Mizutani Hideo Sawada Setsuo Kohnami Hiroki Nakagomi Michio Ito Hisato Saida Munehiro Ohnishi Michimasa Hirata Masao Kunioka Masahiro Funabash Shogo Uematsu |
| Institution: | (1) Japan Bioindustry Association, Grande Bldg., 26-9, Hatchobori 2-Chome, Chuo-ku, Tokyo 104-0032, Japan;(2) Japan BioPlastics Association, Grande Bldg., 26-9, Hatchobori 2-Chome, Chuo-ku, Tokyo 104-0032, Japan;(3) Saida, UMS, 3-6-9, Sakae-cho, Yaizu-shi, Shizuoka-ken 425-0027, Japan;(4) Yahata Bussan, 4-12, Higashi Takasyo-machi, Shizuoka-ken 420-0833, Japan;(5) National Institute of Advanced Industrial Science and Technology, 1-1-1, Higashi, Tsukuba-shi, Ibaragi-ken 305-8565, Japan;(6) Pharmaceutical Science, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka-shi 422-8526, Japan |
| Abstract: | Several ISO standards for determining the ultimate aerobic/anaerobic biodegradability of plastic materials have been published. In particular, ISO 14855-1 is a common test method that measures evolved carbon dioxide using such methods as continuous infrared analysis, gas chromatography or titration and others (ISO 14855-1(2005.9)). This method is a small-scale test for determining the ultimate aerobic biodegradability of plastic materials, where the amounts of compost inoculum and test sample in one tenth comparing with that of ISO 14855-1. This method is well versed in ISO/DIS 14855-2 which the carbon dioxide evolved from test vessel is determined by gravimetric analysis of carbon dioxide absorbent. The focus of this study is to elucidate statistically the results of round robin test by seven countries used MODA, which were various deviations among the experiments. |
| Keywords: | Biodegradation Gravimetric measurement Carbon dioxide evolved Statistical analysis MODA |
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