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铝酸钙熟料浸出 铝酸钙熟料采用碳酸钠-氢氧化钠溶液进行标准浸出,浸出条件:碳酸钠浓度(以Na2OC的计)80 g/L,氢氧化钠浓度(以Na2OK 的计)10 g/L,液固比10,浸出温度85 ℃,浸出时间0.5 h.浸出反应结束进行液固分离,采用酸碱中和法和EDTA络合法测定滤液中苛性碱浓度(cNa2O)和Al2O3浓度(cAl2O3),并利用X-荧光分析滤渣中Al2O3和SiO2含......
like copper-EDTA is present [20]. This showed that the ionic liquid(IL) was an effective extractant under the given condition. Hence, a systematic study on the extraction of copper using the synthesized... S, CHEN Y J, HUANG I P. Amine-based extraction and recovery of Cu(II) from aqueous solutions in the presence of EDTA, equilibrium studies [J]. Separation Science and Technology, 1999, 34(15......
解表面活性剂的作用机理;采用EDTA直接滴定法分析浸出液中Zn的含量(GB/T 8151.1-2000);采用硅钼蓝分光光度法测定浸出液中SiO2的浓度(GB/T 8151.4-200);采用萃取分离苯芴酮分光光度法测定溶液及渣中Ge的含量(GB/T 8151.13-2000);采用电感耦合等离子发射光谱法测定溶液及渣中Ga,Fe,Cu的含量;浸出料浆置于d 100 mm布氏漏斗中,用SHZ-D......
as affected by surfactants and EDTA [J]. Pedosphere, 2006, 16: 91-99. [18] GEORGIOU G, LIN S C, SHARMA M M. Surface-active compounds from microorganisms [J]. Bio/technology, 1992, 10: 60-65. [19] MAO Xu-hui......
-ammonia, sorbitol, fluoborate, pyrophosphate, EDTA, citrate, tatarate, ethylenediamine (EDA), triethanolamine (TEA) and glycine to replace the cyanide electrolytes for its environmental concerns......
mg/L CoCl2·5H2O,32 mg/L NiSO4, 23 mg/L ZnCl2, 14 mg/L (NH4)6Mo7O24·4H2O, and 50 mg/L EDTA. All the experiments were carried out triplicate and the results were expressed as means. Series 1 was designed......
, Al2O3, Fe2O3 and SiO2 compositions of each sample were determined by EDTA titrimetric method, potassium dichromate titration method and gravimetric-molybdenum blue method. The analytical methods follow...-song, SHEN Kai-hong. Determination of aluminum in bauxites by fluorate replacement-EDTA titrimetry [J]. Rock and Mineral Analysis, 2008, 27(6): 475-476. (in Chinese) [15] LIU Guan-long, XU Jun-hong......
JSM-6360LV 型扫描电镜观察浸出渣形貌;采用JXA-8230 型电子探针分析仪及化学选择性溶解的方法分析锌粉置换镓锗渣和浸出渣中镓 和锗的物相组分及含量;采用EDTA 直接滴定法分析浸出液中锌的含量(GB/T 8151.1-2000);采用硅钼蓝分光光度法测定浸出液中SiO2 的浓度(GB/T 8151.4- 2000);采用萃取分离苯芴酮分光光度法测定溶液及渣中锗的含量(GB/T......
analyzed by atomic absorption spectroscopy (Varian, AA240). The ferrous and ferric ion concentrations were analyzed by titration of cerium (IV) sulfate with Phenanthroline indicator and EDTA......
EDTA滴定法确定.负载有机相中的铟,镉,铁和锌离子浓度根据质量守恒计算得到.金属离子的萃取率(E)和分配比(D)通过如下公式计算:  ......