Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Contents character of phthalates in school supplies

학용품 중 프탈레이트류 함유특성 연구

  • Kim, Kyeo-Keun (Department of Environmental Engineering, Cheongju University)
  • 김교근 (청주대학교 환경공학과)
  • Received : 2011.09.05
  • Accepted : 2012.02.02
  • Published : 2012.02.25
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Abstract

This study was performed to survey the school supplies such as pencil, eraser, notebook and color paper. Twenty-two kinds of samples were collected near the school zone, and eight kinds of phthalate which is one of the environmental hazard factors analyzed to estimate the contents characteristics of products. As the results of these research, three kinds of phthalates (BBP, DNOP and DIDP) were not detected in the selected samples. In the A group, DEHP and DINP were detected in the rage of 22%~28%, and DINP was selected 28%, 24% and 28% in the A-1, A-3 and A-4 samples, respectively. But the selected samples in the B group were detected less than 1,000 ppm as regulated level. Also, The DBP was detected 1% in the C-2 sample, and DEHP was detected 0.3% in the C-1 and C-6 samples. The DEHA was detected 0.3% in the D-3 sample. In this study, the DINP was mainly detected the eraser, therefore this kind of phthalate can be exposed through dermal exposure.

본 연구에서는 학교 주변 문방구에서 쉽게 구입할 수 있는문규류 4개 제품군(연필, 지우개, 노트, 색종이) 22종의 학용품을 조사대상 시료로 선정하여 환경보건법의 환경유해인자로서 관리되고 있는 프탈레이트 8종의 함유특성을 파악하였다. 본 연구결과 조사대상 8종의 프탈레이트류 중 Benzyl butyl phthalate (BBP), Di-n-octyl phthalate (DNOP) 및 Diisodecyl phthalate (DIDP)는 모든 시료에서 검출한계 미만(불검출)으로 나타나 문구류에서는 사용하고 있지 않는 것으로 나타났다. A군의 경우에는 일부 시료에서 Di(2-ethylhexyl) phthalate (DEHP) 및 Diisononyl phthalate (DINP)가 22%~28% 검출되었으며, A-1, A-3 및 A-4의 시료에서는 DINP가 각각 28%, 24% 및 28% 검출되었으며, B군은 조사대상 시료 6건 모두 규제농도인 1,000 ppm 이하로 검출되었다. 또한, C-2 시료에서 Dibutyl phthalate (DBP)가 1% 검출되었으며, C-1 및 C-6 시료에서 DEHP가 0.3% 정도 검출되었으며, D-3 시료에서 Di(2-ethylhexyl) adipate (DEHA)가 0.1% 수준으로 검출되었다. 본 연구결과 조사대상 프탈레이트류 중 DINP는 주로 지우개에서만 가장 높은 농도로 검출되었으며, 지우개는 저학년일수록 많이 사용하는 학용품으로 피부 접촉을 통해 노출될 가능성이 큰 물질인 것으로 판단되었다.

Keywords

References

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