EDTA滴定法测定钼中氧化镧或氧化钇

EDTA TITRATION DETERMINATION OF LANTHANUM OXIDE OR YTTRIA IN MOLYBDENUM

用ＥＤＴＡ 滴定法测定钼中氧化镧或氧化钇，方法的回收率在９８％ ～１００ ％ 之间，相对标准偏差ＲＳＤ小于２ ．３％ ，该方法简单、快速、准确，其结果令人满意。

The method of EDTA titration is used determination of lanthanum oxide or yttria in molybdenum.Its recovery efficiency is 98%～100% with relative standard deviation(RSD) of less than 2.3%.This method is simple,rapid and accurately,and satisfactory results have been achieved.