연소IC를 이용한 플라스틱 중 할로겐 물질 정량
Determination of halogen elements in plastics by using combustion ion chromatography
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초록
플라스틱 시료 중 각종 유해물질 유무 확인을 위한 여러 가지 시험항목을 저비용으로 빠르게 분 석할 수 있는 방법으로 Combustion ion chromatography(연소IC)를 사용한 방법을 채택하였다. F, Cl 및 Br의 3개 항목에 대하여 연소IC로 시험법 유효화 검증을 실시한 결과, 검량선은 0.5~4.0 mg/kg 농도범위 에서 r2 = 0.999~1.000의 상관관계 계수를 갖는 좋은 직선성을 나타내었으며, 검출한계는 0.005~0.024 mg/ kg, 정량한계는 0.014~0.073 mg/kg 이였다. 인증표준물질(CRM)을 사용한 연소IC 의 회수율은 95.5~104.9% 이었다. 본 결과를 토대로 국내외 시험기관간 비교 숙련도 시험을 실시하였으며, 그 결과 연소IC 방법이 전기전자제품 중에 halogen-free 및 기타 유해물질 규제 대응을 위한 효율적인 분석방법임을 확인하였다
Abstract
For plastics samples, a method using combustion ion chromatography was selected as a method for rapid low-cost analysis to test whether hazardous substances are contained or not. Using combustion ion chromatography, a verification test for F, Cl and Br compounds generated a linear calibration curve with a correlation coefficient of r2 = 0.999~1.000 in the calibration range from 0.5 to 4.0 mg/kg. The detection limits were found to be 0.005~0.024 mg/kg and quantitative limits were found to be 0.014~0.073 mg/kg. The recoveries of combustion ion chromatography using certified reference material (CRM) were found to be 95.5~104.9%. Based on these results, a proficiency test was conducted together with several laboratories in and out of the country, to make comparative analysis of the results from each laboratory. As a result, the data supported the use of combustion ion chromatography as an effective analysis method to deal with regulations for halogenfree electronic products and for other hazardous substances in the electronic products.
참고문헌 (15)
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