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目的建立硫酸铝的含量测定方法。方法络合滴定法。结果硫酸铝在0.103 4～0.515 3g范围内，取量与其消耗乙二胺四醋酸二钠滴定液(0.05mol*L-1)的毫升数呈良好的线性关系, 相关系数r=0.999 9(n=5)。方法平均回收率为99.92%，RSD为0.27%，n=9。结论滴定终点灵敏，易于观察，能准确地测定硫酸铝的含量。“,”Aim To establish a method for the determination of the content of Aluminum Sulfate.Methods Complexiometric titration.Results The calibration curves is linear in the range of 0.103 4～0.515 3g(r=0.999 9,n=5) between taking weight and consuming milliliter quantity of EDTA-2Na(0.05mol*L-1).The average recovery of Aluminum Sulfate is 99.92%,RSD is 0.27%(n=9).Conclusion This endpoint is sensitive and prone to look into.The method is accurate to determine the content of Aluminum Sulfate.