發(fā)布時間：2019-07-01 15:27

【摘要】：為建立檢測動物性食品中倍他米松殘留的高效液相色譜法。樣品經(jīng)乙酸乙酯提取后,進(jìn)行液相色譜分析。采用Agilent C18(250mm×4.6mm,5μm)色譜柱,流動相為甲醇:水(60∶40,v∶v),流速為0.8mL/min,檢測波長為240nm,柱溫為30℃。方法的檢出限和定量限分別為0.152μg/kg和0.502μg/kg。倍他米松在0.5~32μg/mL范圍內(nèi)線性關(guān)系良好,相關(guān)系數(shù)為0.998 9;選取5種動物源性食品進(jìn)行倍他米松的加標(biāo)回收試驗,回收率在72.73%~93.06%之間,精密度RSD為3.78%(n=6)。本方法簡便、可靠、重復(fù)性好,可用于動物性食品中倍他米松殘留的檢測。
[Abstract]:In ord to establish high performance liquid chromatography for detecting that residual of betamethasone in animal food. The sample was extracted with ethyl acetate and analyzed by liquid chromatography. An Agilent C18 (250 mm, 4.6 mm,5. mu.m) column was used, and the mobile phase was methanol: water (60:40, v: v), the flow rate was 0.8 mL/ min, the detection wavelength was 240 nm, and the column temperature was 30 鈩，

本文編號：2508600