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Determination of PFOS in instant food packing materials by LC-MS/MS was developed. The pro-cedure involves an extraction of the Food Packing Materials with 100% methanol soxcelet extraction method. The LCseparation was performed by Hypersil Gold (150 mm × 2.1 mm 5 um) with mobile phases of 2 mM amoniumacetatesolution and acetonitrile. The Mass spectral acquisition was done in negative ESI/SRM using the TSQ Quantum Ultra.With this method, good linear relationship, sensitivity and reproducibility were obtained. The rate of recoveries ofPFOS from paper material spiked with 1.0 ug/L were 99.84%, respectively. The limit of quantitation and limit ofdetection were below 0.03 ug/L and 0.009 ug/L. The method had been applied to determination of PFOS in instantfood packing materials.Key words : PFOS, LC-MS/MS, Food packing materials 과불화화합물(Perfluorinated compounds, PFCs)은 탄소와불소로 이루어진 고분자 유기화합물로 소수성과 소유성을갖고 있어 방수, 방유 방오 및 방화의 목적으로 산업용 페인트, 광택 첨가제, 카펫 보호용 스프레이, 소화용 발포제,표면처리를 위한 계면활성제 및 특수산업, 소비자 응용제품의 성능개선제 뿐만 아니라, 실내장식, 섬유, 식품기구및 음식포장, 세탁, 가구 등 그 외 많은 용도로 사용되고있다 |
