1) high purity barium carbonate
高纯碳酸钡
1.
Study On Preparation High Purity Barium Carbonate By Barium Hydroxide;
八水氢氧化钡制取高纯碳酸钡的研究
2.
Simultaneous Determination of Strontium, Calcium, Magnesium and Iron in High Purity Barium Carbonate by ICP AES;
ICP－AES法同时测定高纯碳酸钡中锶钙镁铁
3.
In the preparation of high purity barium carbonate, exist some problems related with metal oxide pollution, control of the amount of the material to be added, moisture content higher then the standard, etc.
为解决高纯碳酸钡生产干燥过程中金属氧化物的污染、入料量不易控制、成品水分超标等生产难题,通过对所用电动离心喷雾干燥机辅助设备、控制系统的改进及干燥状态参数的确定,使高纯碳酸钡产品质量明显提高,其中:w(Fe)≤5?06,w(H2O)≤0。
2) high purity strontium carbonate
高纯碳酸锶
1.
Development of high purity strontium carbonate for posistor;
正温度系数热敏电阻器用高纯碳酸锶的研制
2.
Evaluation methods and production control measures for particle size of high purity strontium carbonate;
高纯碳酸锶粒径的评价方法与生产控制手段
3.
The preparation of the high purity strontium carbonate by green chemical method from the celestite;
天青石绿色化学法制备高纯碳酸锶
3) high-purity manganese carbonate
高纯碳酸锰
1.
Preparation of high-purity manganese carbonate by leaching manganese ore with sulfur dioxide;
二氧化硫浸锰制备高纯碳酸锰
2.
A study on prepapation of high-purity manganese carbonate from mangeniferous weste water;
含锰废水制备高纯碳酸锰的研究
3.
As to the problem that the electrolytic manganese anode solution produced from the absorption solution of wet flue gas desulfurization with pyrolusite pulp can't be recycled,we think this topic is on obtaining high-purity manganese carbonate form the electrolytic manganese anode solution through removing the impuritity,carbonization crystallizing,removing calcium,natrium,and sulphate.
总之,以电解锰的阳极液为原料,生产高纯碳酸锰在技术上是可行的,工艺上是合理的,经济效益是可观的。
4) high-purity calcium carbonate
高纯碳酸钙
1.
A technological study for producing high-purity calcium carbonate by a recycling process;
循环法制备高纯碳酸钙工艺研究
5) High purity lithium carbonate
高纯碳酸锂
1.
We have studied the methods of simultaneous determination of eleven impurity elements in high purity lithium carbonate by ICP-AES and their the conditions.
研究了用ICP-AES法同时测定高纯碳酸锂中11种杂质元素Al、Ba、Cu、K、Na、P、Pb、Ca、Fe、Mg、Mn的分析方法。
6) high purity manganese carbonate
高纯碳酸锰
1.
Development of high purity manganese carbonate from low-grade manganese oxidized ore;
用贫锰氧化矿研制高纯碳酸锰
2.
After reduction , manganese is extracted by sulfuric acid and high purity manganese carbonate is obtained after impurity removal from the solution and reaction with ammo.
5 %以上 ;还原后的锰用硫酸浸取 ,溶液经除杂后 ,与碳酸铵反应而制成高纯碳酸锰。
3.
The technology that high purity manganese carbonate is gained by precipitation from homogeneous solution , manganese minerals used as materials, is studied in this article .
研究了以锰矿为原料、采用均匀沉淀法制备高纯碳酸锰的工艺 。
补充资料：碳酸钡
BaCO3 一种重要的钡化合物,由重晶石化学加工制得。白色粉末，有斜方、六方、立方三种晶系。由于制备的工艺条件不同，得到的产品的松密度也不同，一般为0.80～2.11g/cm3，颗粒尺寸为0.1～10μm。热稳定性好，在1400℃、约0.1MPa下分解，1740℃时即熔融。几乎不溶于水，当有碳酸或铵盐存在时及在硫酸钠、硫酸镁、硫酸锌、硝酸钙、氯化钙、碳酸钾、氯化镁等浓溶液中时，其溶解度增大。
碳酸钡是制备渗碳剂的组分，用于在高温下钢制件的渗碳（表面硬化）。在电子管制造中用做阴极屏蔽剂。还用做杀鼠剂。此外，也用于制造陶瓷、光学玻璃、搪瓷等。
碳酸钡是制备渗碳剂的组分，用于在高温下钢制件的渗碳（表面硬化）。在电子管制造中用做阴极屏蔽剂。还用做杀鼠剂。此外，也用于制造陶瓷、光学玻璃、搪瓷等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条