分散固相萃取—高效液相色谱法测定面包中的丙烯酰胺
摘要
建立了分散固相苹取一高效液相色谱法测定面包中丙烯酰胺的方法。样品以水作提取剂,再用化学方法和分散固相萃取法联合对样品进行纯化,采用高效液相色谱进行分析。该方法的检出限15p,g/kg,线性范围0.05~0.5mg/L,加标回收率85.3%~92.5%,日内精密度RSD为2.9%-5.3%(n=5);日间精密度RSD为3.6%-10.2%(n=15)。
出处
《农业机械》
2012年第20期87-89,共3页
Farm Machinery
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