微波消解-石墨炉原子吸收光谱法测定面制食品中铝

Microwave digestion-graphite furnace atomic absorption spectrometry determination of aluminum surface in food system

目的：建立微波消解-石墨炉原子吸收光谱法测定面制食品中铝的方法。方法：样品经微波消解后,用石墨炉原子吸收光谱法对面制食品中铝进行测定。结果：方法的线性范围5-80μg/L,相关系数为0.9999。铝特征浓度为5.70μg/L,面制食品中铝的含量测定,平均回收率为96%-104%,RSD为0.9%-3.4%。结论：本方法样品前处理简单、快速、试剂用量少,检测结果准确度高、精密度好,能满足面制食品中铝含量的测定要求,值得推广使用。

Objective： To establish a microwave digestion-graphite furnace atomic absorption spectrometry determination of aluminum surface food system approach.Methods：After microwave digestion of samples by using GFAAS in foods across the system to determine the aluminum.Results：The linear range of 580 μg/L,a correlation coefficient of 0.9999.Characteristics of aluminum concentration 5.70 μg/L,Flour food determination of Al,the average recovery was 96%104%,RSD 0.9%3.4%.Conclusion：The method is simple sample preparation,rapid,and with less reagent,test results of high accuracy,precision,and surface system to meet food requirements of the determination of aluminum,it is worth to promote the use of.