HPLC-AFS를 이용한 해산물 중 비소 화학종 분리정량

• 영문명: Quantification of Arsenic Species in Some Seafood by HPLC-AFS
• 발행기관: 한국환경보건학회
• 저자명: 정승우(Seung-Woo Jeong) 이채혁(Chae-Hyeok Lee) 이종화(Jong-Wha Lee) 장봉기(Bong-Ki Jang)
• 간행물 정보: 『1. 한국환경보건학회지』제47권 제5호, 496~503쪽, 전체 8쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 2021.10.31

영문 초록

Background: Considering the expenses of and difficulties in arsenic speciation by high performance liquid chromatography-inductively coupled plasma-mass spectrometry (HPLC-ICP-MS), alternative measurement methods should be useful, especially for large-scale research and projects. Objectives: A measurement method was developed for arsenic speciation using HPLC-atomic fluorescence spectrometry (HPLC-AFS) as an alternative to HPLC-ICP-MS. Methods: Total arsenic and toxic arsenic species in some seafoods were determined by atomic absorption spectrometry coupled with hydride vapor generation (AAS-HVG) and HPLC-AFS, respectively. Recovery rate of arsenic species in seafood was evaluated by ultra sonication, microwave and enzyme (pepsin) for the optimal extraction method. Results: Limits of detection of HPLC-AFS for As3+, dimethylarsinate (DMA), monomethylarsonate (MMA) and As5+ were 0.39, 0.53, 0.60 and 0.64 μg/L, respectively. The average accuracy ranged from 97.5 to 108.7%, and the coefficient of variation was in the range of 1.2~16.7%. As3+, DMA, MMA and As5+ were detected in kelp, the sum of toxic arsenic in kelp was 40.4 mg/kg. As3+, DMA, MMA and As5+ were not detected in shrimp and squid, but total arsenic (iAS and oAS) content in shrimp and squid analyzed by AAS-HVG were 18.1 and 24.7 mg/kg, respectively. Conclusions: HPLC-AFS was recommendable for the quantitative analysis method of arsenic species. As toxic arsenic species are detected in seaweeds, further researches are needed for the contribution degree of seafood in arsenic exposure.

목차

Ⅰ. 서 론

Ⅱ. 재료 및 방법

Ⅲ. 결과 및 고찰

Ⅳ. 결 론

키워드

Arsenic speciation enzyme HPLC-AFS microwave ultra sonication seafood