After decomposing the sample by dry method, dissolve the residue with sulfuric acid and ammonium sulfate, and test it.
试样以干法分解，以硫酸，硫酸铵溶解残渣后进行测试。
In the experimental work, the process was carried out: ratio of sulfuric acid to cobalt-rich zinc residue 0.
提出了一种适合锌湿法冶金高钴锌渣浸出的工艺流程：酸料比为0。
Using theory and methods of process image understanding to study on the pattern analysis for residue of sulfuric acid raw material ore in poor oxygen roast process.
应用过程映象理解的理论和方法，研究硫酸生产原料矿弱氧焙烧矿渣的图象分析。
And the latest development of the red phosphating, special no residue phosphating, no free of nitrites promoting agents including sulfuric acid amine phosphating applied for patent.
并对最新开发的红色磷化、专用无渣磷化、无含亚硝酸盐促进剂(含硫酸羟胺)磷化申请了专利。
Thermodynamic analysis on cobalt removal by potassium permanganate oxidization in leaching solution by sulfuric acid of zinc residue containing cobalt in zinc hydrometallurgy;
根据硫酸钠熔炼法处理废合金所得钴渣组成特点 ，通过氧化焙烧、酸分解、水解除杂、沉钴和煅烧等工序制取氧化钴。
It describes the test and research on recovering silver from silver bearing residue by using sulfuric acid leaching ammonia leaching process, which is simple and worthy of promotion.
介绍了银渣回收银的试验研究情况，采用硫酸浸出-氨浸法处理银渣，工艺简单合理，技术指标高，有一定的推广价值。
The preparation method utilizes industrial sulfuric acid to leach waste iron residue in oxygen and at normal pressure under reasonable production process and operation conditions.
介绍了以废铁渣为主要原料与工业硫酸反应制备三氧化二铁，产生的废液加氧化钙生成副产物硫酸钙的工艺。
The preparation method utilizes industrial sulfuric acid to leach waste iron residue in oxygen and at normal pressure under reasonable production process and operation conditions.
介绍了以废铁渣为主要原料与工业硫酸反应制备三氧化二铁，产生的废液加氧化钙生成副产物硫酸钙的工艺。
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