目的建立食品中铝的电感耦合等离子体发射光谱测定方法。方法样品经高压密闭消解后,用电感耦合等离子体发射光谱法(ICP-OES)对食品中铝进行测定。结果该方法在0～20 mg/L范围内呈良好线性,相关系数为0.999 9,方法的检出限为0.015 mg/L,精密度为2.0%～4.1%,回收率为96.5%～98.3%。结论该方法灵敏准确,操作简单,线性范围宽,干扰小,适用于食品中铝的测定。 Objective To establish a method for the determination of aluminum in food by inductively coupled plasma atomic emission spectrometry. Methods Samples were subjected to high pressure airtight digestion, and the aluminum in food was determined by ICP-OES. Results The method showed a good linearity in the range of 0 ~ 20 mg / L, the correlation coefficient was 0.999 9, the detection limit was 0.015 mg / L, the precision was 2.0% ~ 4.1% and the recovery was 96.5% ~ 98.3% . Conclusion The method is sensitive and accurate, simple in operation, wide in linear range and small in interference and suitable for the determination of aluminum in food.