气雾化铁硅铝粉中硅和铝的联合测定

Method for Determination of silicon and aluminum in Gas atomized iron silicon aluminum powder

讨论了气雾化铁硅铝粉中硅和铝联合测定的方法。试料采用碱法溶解后,用重量法测硅,滴定法测铝。它们的相对标准偏差分别为0.67%和0.96%,相对误差小,铝的回收率是99.29%~100.83%,该方法简单,省时,准确高,有可行性。

This paper mainly discusses the method of combined determination of silicon and aluminum in atomized iron silicon aluminum powder.After the test material is dissolved by alkali method,silicon is determined by gravimetric method and aluminum is determined by titration method.Their relative standard deviations are0.67%and 0.96%.Their relative error is small.The recovery rate of aluminum is from 99.29%to100.83%.This method is simple,time-saving,accurate and feasible.