1) D2EHPA
P204
1.
The mechanism and characteristics about synergistic extraction of Nd3+ and Sm3+ by D2EHPA and HEHEHP from sulfuric acid medium were studied through the methods of slope,constant molecule and saturation extraction.
采用恒摩尔法、斜率法以及饱和容量法研究从硫酸介质中用P204(D2EHPA,用(HA)2表示)与P507(HEHEHP,用(HL)2表示)协同萃取Nd3+或Sm3+的性能与机理,并测定协萃反应的热力学平衡常数Ks。
2.
The extraction and separation of Nd and Sm from sulfuric acid medium with mixed extraction of D2EHPA and HEHEHP were researched.
对P204与P507混合萃取剂在硫酸介质中萃取分离Nd和Sm的行为进行了研究。
3.
D2EHPA(in kerosene) is selected as a solvent to separate amines from dilute solution.
以P204(磷酸二(2-乙基己基)酯)为络合剂,加氢煤油为稀释剂,实验研究了不同的有机胺类稀溶液的络合萃取特性,讨论了有机胺类的pK_a值、络合剂的含量和溶液pH值等因素对络合萃取平衡的影响,提出了同时考虑络合萃取作用和物理萃取作用的萃取相平衡分配系数表达式。
2) di (2-othylhexyl) phosphorice acid (D2EHPA)
P204(D2EHPA)
3) P204 extraction
P204萃取
1.
The paper,according to the analyzing of lead dross reverberator dust,put forward the new technics indium distilling by sulfuric acid leaching,P204 extraction,sulfuric acid washing,hydrochloric acid reverse extraction,zinc replacement,smelting,electrolysis,casting etc.
研究分析了铅浮渣反射炉烟尘的性质和特点,提出了二段硫酸浸出、P204萃取、硫酸洗涤、盐酸反萃、锌板置换、压团熔铸、电解铸型的提铟新工艺,并进行了全流程的试验研究,明确了各工序的工艺技术条件。
4) P204 extracting agent
P204萃取剂
5) P204 extraction chromatography
P204萃取色谱
6) P_(204)extraction resin
P204萃淋树脂
补充资料:P204
分子式:
CAS号:
性质:国内又称P204。密度0.97g/cm3。黏度(η25)3.47mPa·s。闪点206℃。燃点233℃。是在核燃料(铀)提取、稀土元素分离和有色金属萃取中获得广泛应用的工业萃取剂。
CAS号:
性质:国内又称P204。密度0.97g/cm3。黏度(η25)3.47mPa·s。闪点206℃。燃点233℃。是在核燃料(铀)提取、稀土元素分离和有色金属萃取中获得广泛应用的工业萃取剂。
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参考词条