This paper presents a method determining aluminium by EDTA volumetric analysis. In silver crucible, the aluminium fluoride is decomposed with sodium hydroxide and fluorine is drived out with perchloric acid. 本文介绍了在银坩埚中用氢氧化钠分解氟化铝,以高氯酸驱除氟,EDTA容量法测定铝含量的分析方法。