石墨炉原子吸收法测定催化剂中铂  

Direct determination of platinum in catalysts by graphite furnace atomic absorption spectrometry

作　　者：谢文兵[1] 姚金玉[1] 

机构地区：[1]中国科学院长春应用化学研究所

出　　处：《黄金》1996年第11期49-51,共3页Gold

摘　　要：本文研究了ＳｉＯ２为载体的催化剂中铂的直接测定方法。该方法的特征量为２１ｐｇ，检出限为１４μｇ／ｍｌ。对于铂含量为０．００５％的催化剂，相对标准偏差在４．９％～９．５％之间，回收率在９１％～１００％之间。A method is studied which is used for determination of platinum in catalysts which takes SiO 2 as carrier The characteristic mass is 21μg,the lower limit is 14 μg/ml For catalyst which contains platinum about 0 005%,the relative standard deviation is 4 9～9 5%,the recovery is 91～100%

关 键 词：催化剂 铂 原子吸收 石墨炉 

分 类 号：O643.36[理学—物理化学] O657.31[理学—化学]