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  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

  • P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

논문 상세

    REACH 물질 등록 시 분류에 영향을 주는 미량 유해 무기물질의 스크리닝·정량·해석을 위한 체계도 연구

    Study on scheme for screening, quantification and interpretation of trace amounts of hazardous inorganic substances influencing hazard classification of a substance in REACH registration

    분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    2019, v.32 no.6, pp.233-242
    https://doi.org/10.5806/AST.2019.32.6.233
    권현아 (한국생산기술연구원 환경규제기술센터)
    박광서 (한국생산기술연구원 환경규제기술센터)
    손승환 (한국생산기술연구원 환경규제기술센터)
    최은경 (한국생산기술연구원 환경규제기술센터)
    김상헌 (경성대학교 공과대학 제약공학과, 화학안전연구센터)
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    Abstract

    Substance identification is the first step of the REACH registration. It is essential in terms of Classification, Labelling and Packaging (CLP) regulation and because even trace amounts of impurities or additives can affect the classification. In this study, a scheme for the screening, quantification, and interpretation of trace amounts of hazardous inorganic substances is proposed to detect the presence of more than 0.1% hazardous inorganic substances that have been affecting the hazard classification. An exemplary list of hazardous inorganic substances was created from the substances of very high concern (SVHCs) in REACH. Among 201 SVHCs, there were 67 inorganic SVHCs containing at least one or ~2-3 heavy metals, such as As, Cd, Co, Cr, Pb, Sb, and Sn, in their molecular formula. The inorganic SVHCs are listed in excel format with a search function for these heavy metals so that the hazardous inorganic substances, including each heavy metal and the calculated ratio of its atomic weight to molecular weight of the hazardous inorganic substance containing it, can be searched. The case study was conducted to confirm the validity of the established scheme with zinc oxide (ZnO). In a substance that is made of ZnO, Pb was screened by XRF analysis and measured to be 0.04% (w/w) by ICP-OES analysis. After referring to the list, the presence of Pb was interpreted just as an impurity, but not as an impurity relevant for the classification. Future studies are needed to expand on this exemplary list of hazardous inorganic substances using proper regulatory data sources.

    keywords
    REACH, substance identification, classification, hazardous inorganic substance, heavy metals


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