秦杰,陈尚龙,苗敬芝,李同祥,王锋

• 1:徐州工程学院食品(生物)工程学院
• 2:徐州工程学院江苏省食品资源开发与质量安全重点建设实验室

摘要(Abstract)：

建立了不完全消解-高分辨连续光源石墨炉原子吸收光谱法测定蔗糖中Cd,Pb的方法。试验选择不完全消解作为样品的前处理方式,比较了几种常用的基体改进剂,发现磷酸二氢铵的影响显著,并且对吸收峰的峰形有显著改善。测定蔗糖中Cd,Pb分别为2.75,107.3ng/g,检出限分别为0.073,0.935ng/mL,加标回收率分别为94.3%,96.2%,本法的精密度(RSD)均小于4.0%。该方法快速、准确、稳定、污染少,具有较高的实用价值,为食品中多元素检测提供了科学依据。

关键词(KeyWords)： 不完全消解;高分辨连续光源石墨炉原子吸收光谱法;蔗糖;镉;铅

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(31270577);; 江苏省科技创新与成果转化(重大科技支撑与自主创新)专项引导资金(BE2011644)

作者(Author): 秦杰,陈尚龙,苗敬芝,李同祥,王锋

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