Direct determination of gold in ammonium thiosulfate solution by AAS
原子吸收法直接测定硫代硫酸铵溶液浸金系统中金的研究
A mixture of sulphuric acid-thiourea-thioglycollic acid is used as selective solvent for free silver sulphide and sulphuric acid-thiourea-ferric sulphate for free native silver.
用硫酸-硫脲-硫代乙醇酸溶液选择溶解硫化银;用硫酸-硫脲-硫酸高铁铵溶液选择溶解自然银。
On Deep Desulfurization by Activated Carbon in High Purity Ammonium Tungstate Solution
高纯钨酸铵溶液中活性炭深度除硫研究
Study on Technology and Phase Diagram of Potassium Sulphate Prepared by Ammonium Sulphate Method in EG Solution;
乙二醇溶液硫酸铵法制备硫酸钾相图及工艺研究
Add Ferroin indicator and titrate with 0.025 N ferrous ammonium sulphate solution.
加入亚铁菲绕啉离子，用滴定法测量硫酸亚铁铵溶液。
Separation of Lead with Ammonium Sulfate-Tetrabutylammonium Bromide Aqueous two-phase Liquid-Liquid Extraction System
硫酸铵-溴化四丁基铵水体系液液萃取分离铅
photographic grade ammonium thiosulfhatesolution
摄影用硫代亚磺酸铵溶剂
A Study on Ammonium Nitrate Solution as Raw Material Used for Producing Expanded AN Explosive Directly
直接使用硝酸铵溶液生产膨化硝酸铵炸药研究
EXTRACTION SEPARATION OF MOLYBDENUM FROM URANIUM IN BASIC ELUATE (NH_4)_2 C0_3-(NH_4)_2 S0_4 BY QUATERNARY AMMONIUM SALT
用季铵盐从碳酸铵、硫酸铵碱性解吸液中萃取分离铀、钼
You centrifuge the solution, decant the supernatant, and discard the pellet. To the supernatant, which is clearer than the lysate, you add more ammonium sulfate.
你然后对溶液离心，慢慢倒出上清，弃沉淀。对上清液你加更多的硫酸铵。
Alumium powder is placed in a saturated solution of ammonium perchlorate in water.
铝粉放在过氯酸铵的饱和溶液中。
a solution of ammonium carbonate in ammonia water and alcohol.
碳酸铵在氨水和酒精中形成的溶液。
Study on Aqueous Solution of Ammonium Nitrate Thermal Safety Test System
硝酸铵水溶液热安全性测试系统研究
Effect of pH on the Solubility and Crystallizing Metastable Zone of Ammonium Sulfate
pH值对硫酸铵溶解度及结晶介稳区的影响
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。
Study on the Solvent Progress of Preparing Potassium Sulfate by Ammonium Sulfate and Potassium Chloride and Its Phase Graph;
由硫酸铵和氯化钾制备硫酸钾溶剂法工艺及其相图研究
The analysis of the validity of the Na_2S_2O_3;
对硫代硫酸钠标准溶液有效期的分析
Three-effect Evaporation Design of MSG Factory Ammonium Sulfate Waste
味精厂硫酸铵废液三效蒸发设备的设计