火焰原子吸收法 (ＡＡＳ)分析速度虽快 ,但食品中铅含量一般很低 ,样品在消化处理时还要有一定的稀释倍数 ,在应用中其灵敏度难以满足分析的要求 ,此外 ,ＡＡＳ法在测定含盐或高脂肪食品的铅时易产生正向干扰 ,使结果偏高 ,需对样品进行分离、萃取、浓集 ,操作十分烦锁。本文用 AAS analysis is fast, but the lead content in food is generally very low. When the sample is digested, it needs to have a certain dilution ratio. In the application, its sensitivity can not meet the analytical requirements. In addition, the AAS method Determination of salt or high-fat foods lead prone to positive interference when the lead, the result is high, the need for sample separation, extraction, concentration, the operation is very annoying. This article use