Thorium(Ⅳ)相关论文
Synergistic extraction of cerium(Ⅳ),thorium(Ⅳ) and lanthanum(Ⅲ) from sulfuric acid solutions with mi
The synergistic effect of 2-ethylhexylphosphonie acid mono-(2-ethylhexyl)ester(HEHEHP, P507, HL) and Cyanex923(B) in ext......
Extraction and separation of Ce(Ⅳ),F(Ⅰ)and Th(Ⅳ)from sulphuric acid leaching of bastnaesite by a nov
Bastnaesite is a main kind of rare earth resources in which cerium accounts for more than 50%of the total rare earths....
Ethyl thiosemicarbazide intercalated organophilic calcined hydrotalcite as a potential sorbent for t
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A column chromatographic method has been developed for the separation and determination of cerium(Ⅲ) using poly[dibenzo......
在酸性介质中,对氯偶氮氯膦与钍形成一种稳定的蓝色配合物,其最大吸收波长位于λ=680nm处,对比度Δλ=110nm,表观摩尔吸光系数为ε=1.04......
研究了N.N.N.N.-四丁基丁二酰胺从硝酸介质中萃取Th的机理,得出了萃合物的结构为Th(NO3)4.TBSA,分析了HNO3、Th^4+、TBSA的浓度及温度对Th^4+分配比的影响,并计算出萃取反应的表观......
在HNO3介质中,以Th(Ⅳ)作活化剂,Fe(Ⅲ)催化KIO4氧化偶氮胂Ⅲ褪色为指示反应,建立了痕量Th(Ⅳ)的动力学分析方法.本方法测定范围为......
报道了在不同的酸度下乳化剂OP对2,4,6-三卤代偶氮氯膦与钍(IV)显色反应抗干扰能力的影响研究表明,在酸度高达4.8mol/L的HCl中,乳化剂OP的加入能明显地提高显色......