火焰原子吸收法测定金红石、钛黄粉中Fe_2O_3的含量

Determination of ferric oxide in rutile and titanium yellow by flame atomic absorption spectrometry

采用硫酸铵和浓硫酸溶解试样,用空气-乙炔火焰原子吸收法测定Fe_2O_3的含量。溶样和测定步骤快速、简便,方法的灵敏度和准确度高。回收率为98.4%～102.1%,相对标准偏差为1.3%～2.5%,测定结果令人满意。本法有实用推广价值。

The contents of ferric oxide （Fe2O3） in rutile and flame atomic absorption spectrometry. The samples are sulfuric acid. The method is easy, rapid and accurate. 1.3%-2.5%. The results are satisfactory. titanium yellow were determined by dissolved with ammonium sulfate and The recovery is 98. 4%-102. 1% air-acetylene concentrated with RSD of