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http://dx.doi.org/10.9727/jmsk.2015.28.2.165

Consideration of Analysis Method of Asbestos and Existing Condition for Fibrous Materials in Domestic Air  

Hwang, Jinyeon (Department of Geological Sciences, College of Natural Sciences, Pusan National University)
Oh, Jiho (Department of Geological Sciences, College of Natural Sciences, Pusan National University)
Lee, Hyomin (Department of Geological Sciences, College of Natural Sciences, Pusan National University)
Lee, Jinhyun (Department of Geological Sciences, College of Natural Sciences, Pusan National University)
Son, Byeongseo (Department of Geological Sciences, College of Natural Sciences, Pusan National University)
Publication Information
Journal of the Mineralogical Society of Korea / v.28, no.2, 2015 , pp. 165-171 More about this Journal
Abstract
Dust samples collected from air in metropolitan areas of Busan and Ulsan were analyzed by phase contrast microscopy, phase contrast dispersion microscopy and SEM. Asbestos concentration in dust samples was lower than detection limit. Many fibrous materials were observed in dust samples, but most of them were organic fibers. Inorganic fibers such as rock fiber, ceramic fiber and gypsum were contained in the samples and non-fibrous minerals such as quartz, calcite and feldspar were also occasionally observed. Domestic law requires that asbestos in air dust is mainly analyzed by phase contrast microscopy. From this study, however, precise analysis of asbestos was almost impossible by this method only. As indicated in JIS method of Japan, therefore, count and identification of asbestos were more efficient by dispersion staining method after removing organic materials in samples by low temperature incinerator.
Keywords
asbestos; dust sample; organic fibers; inorganic fibers; phase contrast microscopy;
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Times Cited By KSCI : 2  (Citation Analysis)
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