锰矿石中碳酸锰的测定  

The Determination of Manganous Carbonate in Manganese Ores

作　　者：黄宝贵[1] 孙湘莉 Huang Bao-gui;Sun Xiang-li

机构地区：[1]冶金工业部长沙矿冶研究院

出　　处：《岩矿测试》1987年第2期133-136,共4页Rock and Mineral Analysis

摘　　要：碳酸锰是具有工业价值的重要含锰矿物之一,准确测定其含量,对锰矿资源的开发和矿石综合利用研究工作的开展,都有着重要的指导意义。有关分离碳酸锰的选择性溶剂,先后曾报导过有机酸、稀硫酸、EDTA、硫酸铵、酸化硫酸铵以及稀高氯酸等。有机酸(醋酸)和硫酸铵法的主要缺点是,对含锰碳酸盐矿物的浸取率偏低。其它方法的主要缺点是.An aluminum nitrate soluton is proposed as a selective solvent for manganous-carbonate.The acid liberated by the hydrolysis of aluminum nitrate is a highly selective solvent of manganous carbonate, While all other manganese minerals, such as pyrolusite, psilomelane, rhodonite and manganese garnet, etc., are only sparingly soluble. A new method for the separation and the determination of manganouse carbonate has been established and successfully used for the determination of manganous carbonate in manganese ore with satisfactory results.

关 键 词：碳酸盐矿物 锰矿物 矿石综合利用 选择性溶剂 硫酸铵法 碳酸锰 锰矿资源 锰矿石 

分 类 号：P61[天文地球—矿床学]