摘要
本文建立了凝胶渗透色谱净化(GPC)-气相色谱法(GC)同时测定饲料中2,6-二叔丁基对甲酚(BHT)、叔丁基羟基茴香醚(BHA)、叔丁基对苯二酚(TBHQ)和乙氧喹(EQ)4种抗氧化剂方法。4种抗氧化剂在10~400mg/L时与峰面积有良好的线性关系(r2>0.9999),检出限(3S/N)为0.37~0.46 mg/kg,添加回收率为82.7%~98.8%,相对标准偏差(n=5)为1.7%~4.3%。
Gel permeation chromatography(GPC)-gas chromatography(GC) was developed to detect 4 antioxidant additives in feed,which included 2,6-di-tert-butyl-methylphenol(BHT),butylated hydroxyanisole(BHA),tertiary butylhydroquinone(TBHQ)and ethoxyquine(EQ).The linear range of the determination was 10 ~ 400 mg/L and the linear correlation coefficients of 4 antioxidant additives were greater than 0.9999.The detection limits(3S/N)of this method were 0.37 ~ 0.46 mg/kg.The recovery rate ranged from 82.7 % to 98.8 % with RSD(n=5) of 1.7 % ~ 4.3 %.
出处
《中国饲料》
北大核心
2011年第5期38-39,44,共3页
China Feed