Extraction of cobalt was masked by sulfite ion.
钴的萃取被亚硫酸盐离子遮蔽。
Mining of copper, cobalt, diamonds, gold, zinc and other metals, as well as petroleum extraction, once accounted for 75 percent of its GDP.
铜、钴、钻石、黄金、锌和其它资源的开采，以及石油开采，曾经占其GDP的75%。
Extraction ratio of nickel and cobalt in the leaching process amounts to 98%.
在浸出过程中，镍和钴的浸出率达98%。
This research has laid foundation for further extraction and separation of valuable metals in ocean Cobalt-rich crust.
该研究为进一步分离提取富钴结壳中有价元素奠定了良好的基础。
The nickel electrolyte of low concentration cobalt and solution of richness cobalt can be obtained by purifying nickel electrolyte by solvent extraction with P507.
采用P 507溶剂萃取深度净化镍电解液，得到符合镍电解工艺要求的低钴电解液和富钴溶液。
Ocean manganese nodules have the potentiality to be the important mineral resources for extraction of non ferrous metals such as manganese, cobalt, nickel and copper.
海洋锰结核是今后提取锰、钴、镍、铜等有色金属的重要矿产资源。
The separation of nickel, cobalt and copper from ammonium carbonate solution was carried out by solvent extraction.
采用溶剂萃取从碳酸铵溶液中分离镍、钴、和铜。
The effect of 2 ethylhexyl phosphonic acid mono 2 ethylhexyl ester (HEHEHP) on the extraction and separation of cobalt and nickel was investigated.
研究了采用2-乙基己基膦酸2-乙基己基酯萃取剂对钴、镍的萃取性能和分离系数的影响；
There were many methods for preparing cobalt metal of 99.999% purity, such as extraction, membrane separation, ion exchange, electrolysis, zone melting etc.
目前制备99.999%以上金属高纯钴的制备方法很多，主要制备工艺有萃取法，膜分离法，离子交换法，电解法，区域熔炼法等方法。
Its advantages are high extraction rate and high purity of cobalt oxide.
采用本方法提取钴化物，提取率高且提出的钴氧化物纯度也高。
Removal of cobalt from copper chloride solution by solvent extraction with P204 is studied.
研究了用溶剂萃取法从氯化铜溶液中去除钴。
Study is made of a new process for directly extraction of the cobalt oxalate from ammonium oxalate in the acid solution directly dissolved from lithium cobaltate.
目的：探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
The experimental results of chloride leaching, copper cobalt separation by electrolyzing, and iron removal with TBP extraction are obtained.
试验条件下，钴、铜、铁浸出率均达到99%，且分离效果良好。
The experimental results of chloride leaching, copper cobalt separation by electrolyzing, and iron removal with TBP extraction are obtained.
试验条件下，钴、铜、铁浸出率均达到99%，且分离效果良好。
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