Asbestos Analysis of China Sepiolite by Transmission Electron Microscopy

중국산 해포석 내 석면 함유 유무 분석

  • Song, Se Wook (Center for Chemicals Safety and Health, Occupational Safety & Health Research Institute) ;
  • Chung, Yong Hyun (Center for Chemicals Safety and Health, Occupational Safety & Health Research Institute) ;
  • Han, Jeong Hee (Center for Chemicals Safety and Health, Occupational Safety & Health Research Institute)
  • 송세욱 (산업안전보건연구원 화학물질센터) ;
  • 정용현 (산업안전보건연구원 화학물질센터) ;
  • 한정희 (산업안전보건연구원 화학물질센터)
  • Published : 2013.09.30

Abstract

Objectives: 21 sepiolite substances produced in China were investigated for the presence of asbestos in their materials. Materials and methods: In order to identify asbestos in sepiolite substances, test materials were analyzed using a transmission electron microscope equipped with energy dispersive X-ray spectrometer (TEM-EDS) for confirming their shape and components (atomic %). Results: Five of 21 sepiolte substances were asbestos-containing materials. Two chrysotile containing sepiolite proved to be asbestoscontaining materials, as did two chrysotile mixed with tremolite containing sepiolite. 16 sepiolite substances did not contain asbestos materials. Conclusions: When importing sepiolite substances, they must be analyzed to determine if there is asbestos in their materials.

Keywords

References

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