铋磷钼蓝光度分析法测定生铁与铸铁中磷及改进  

Determination of Phosphorus Content in Pig Iron and Casting Iron by the Bismuth Phosphomolybdate Blue Spectrophotometric Method and its Improvement

作　　者：黄庆莉 覃丹柳 覃红星 

机构地区：[1]质量管理部

出　　处：《柳钢科技》2013年第2期36-38,46,共4页

摘　　要：介绍应用铋磷钼蓝光度法测定生铁及铸铁样品中磷含量,以及对样品分解、氧化剂过硫酸铵使用、显色剂配制、消除砷干扰、提高准确度等方面进行的改进及其准确度及精密度。Determination of phosphorus cont ent in pig iron and casting iron by applying bismuth phosphomolybdate blue photometric method was introduced;the sample decomposition,use of ammonium persulfate as oxidant,preparation of color-developing agent,removing arsenic interference and improving its accuracy and precision were carried out.

关 键 词：生铁 铸铁 磷 铋磷钼蓝 分光光度法 

分 类 号：TQ153.2[化学工程—电化学工业]