对AAS法测定土壤中微量元素的影响因素从浸提剂及标准溶液存放时间、浸提温度、进样、灵敏度及标准曲线的弯曲等方面进行了分析 ,并提出了控制措施。 The factors affecting the determination of trace elements in soil by AAS method were analyzed from the storage time of the extractant and standard solution, the extraction temperature, the injection, the sensitivity and the curve of the standard curve, and the control measures were put forward.