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GC/ECD와 GC/MS를 이용한 농산물 중 Picoxystrobin의 분석법 개발
권혜영 ( Hye Young Kwon ),김찬섭 ( Chan Sup Kim ),박병준 ( Byung Jun Park ),김일환 ( Ii Hwan Kim ),홍수명 ( Su Myeong Hong ),손경애 ( Kyung Ae Son ),진용덕 ( Yong Duk Jin ),이제봉 ( Je Bong Lee ),임건재 ( Geon Jae Im ),김두호 ( Do 한국환경농학회 2012 한국환경농학회지 Vol.31 No.2
BACKGROUND: This study was conducted to develop analytical method for picoxystrobin in agricultural commodities using GC/ECD and GC/MS. METHODS AND RESULTS: Each steps of analytical method were optimized for determining picoxystrobin residues in various agricultural commodities. The developed methods include acetone extraction, n-hexane/saline water partition and florisil column chromatography for analysis of all samples (apple, potato, green pepper, hulled rice and soybean), and in addition to these steps, solid phase extraction (SPE) was used for analysis of green pepper and n-hexane/acetonitrile partition was used for analysis of hulled rice and soybean, The instrumental conditions were tested for quantitation in GC/ECD and for confirmation in GC/MS. Recovery was in the range of 86∼109% with RSD ≤10.2% and the quantitation limits (LOQ) of method were 0.025 mg/kg in all agricultural commodities. CONCLUSION: The result showed that the developed method can be used to determine picoxystrobin residue in agricultural commodities.