二安替吡啉甲烷光度法测定锰矿石中TiO2  

Determination of TiO2 in Manganese Ore by Diantipyryl Methane Photometric Method

作　　者：房思玲[1] 宋玉珍[1] 齐咏梅[1] 

机构地区：[1]品质保证部

出　　处：《莱钢科技》2009年第2期66-67,共2页Laigang Science & Technology

摘　　要：试样以混合溶剂溶融，盐酸浸取，定容移取分液后，在1．2～3．0mol／L的盐酸介质溶液中，用抗坏血酸还原掩蔽锰和铁等干扰元素，二安替吡啉甲烷与钛生成黄色络合物，于波长420nm处测量吸光度，计算TiO2的含量。After the sample was melted with mixed solvent, leached with hydrochloric acid and constant- volumed, with some taken, in 1.2 - 3.0mol/L solution of hydrochloric acid medium, ascorbic acid was used to reduce-mask the disturbing elements like manganese and iron, and diantipyryl methane and titanium made yellow complex. Absorbency was measured at the place of 420nm in wavelength, by which the content of TiO2 was calculated.

关 键 词：锰矿石 熔融 盐酸浸取 抗坏血酸 还原掩蔽锰和铁 黄色络舍物 二氧化钛 

分 类 号：TQ127.2[化学工程—无机化工] O643.36[理学—物理化学]