Detection of 2,3,7,8-Tetrachlorodibenzo-P-dioxin in Fish Meat with A New Type Capillary Chromatographic Column

Abstract

Abstract: The study aimed to set up a method of GC-ECD(electron capture detector) and DB-Dioxin capillary chromatographic column for the detection of 2,3,7,8-TCDD in fish meat. Sample was purified by Bio-beads S-X3 GPC,separated in DB-Dioxin capillary column and detected by GC-ECD. The results showed that the detecion of 2,3,7,8-TCDD has better linearity in the range of 1.5 to 100 pg(R2=0.9999). The average standard recovery rate is 103.2%±3.04% with variation coefficient 2.95%. The detection limit is 1pg. It was demonstrated that 2,3,7,8-TCDD is well separated from sample.

Key words: capillary chromatographic column, GC, 2,3,7,8-TCDD

LI Ji-Ping, LIU Lin-Na, ZHOU Shuang, CHEN Yue-Ming, LIU Wen-Sen, SUN Yu-Cheng, GAO Hong-Wei, SONG Ri-Zhe. Detection of 2,3,7,8-Tetrachlorodibenzo-P-dioxin in Fish Meat with A New Type Capillary Chromatographic Column[J]. FOOD SCIENCE, 2008, 29(8): 543-546.

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Detection of 2,3,7,8-Tetrachlorodibenzo-P-dioxin in Fish Meat with A New Type Capillary Chromatographic Column

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