Cerium(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......
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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....
New technique for Bayan Obo mixed RE concentrate based on Valency Change and Complexation of Cerium(
Bayan Obo mixed RE concentrate is the largest RE source in the world.RE elements occur dominantly in bastnaesite and mon......
Synthesis of fluorescent glycine-functionalized quantum dots as highly sensitive and selective detec
Highly photoluminescent glycine(GLY)functionalized grapheme quantum dots(GQDs)(GLY-GQDs)were synthesized by a simple and......
Chemiluminescence Determination of Tetracycline and Oxytetracycline in Pharmaceutical Preparations U
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研究了在氨性介质中痕量铈(Ⅳ)阻抑过氧化氢氧化溴甲酚紫褪色的新指示方法和动力学条件,建立了动力学光度法测定痕量单一稀土元素......
研究了在稀盐酸介质中，银催化氯化物还原铈（Ⅳ）而使其褪色的反应，建立了测定痕量银（Ｉ）的新方法。测定银（Ｉ）的线性范围为０～４０μｇ／Ｌ，检出限为５．７×１０＾－７ｇ／Ｌ。方......
在酸性介质中,Ce(Ⅳ)氧化尼莫地平,其吸光度的变化随尼莫地平在一定质量浓度范围内呈线性关系.建立了一种间接测定尼莫地平的新方......
放射性金属进行铈．硝酸化学去污后产生较多的二次废液，电化学再生技术可以有效地再生四价铈，使得去污液可循环使用。由于四价铈与硝酸......
A new flow-injection procedure has been developed for the determination of penicillamine based on the enhancement of the......
合成了二安替比比基－（２－溴）苯基甲烷（ＤＡｏＢＭ）。在Ｍｎ（Ⅱ）和吐温－８０存在下，Ｃｅ（Ⅳ）与ＤＡｏＢＭ反应生成有色化合物λｍａｘ为４８０ｎｍ，摩尔吸光系数为３．１×１０＾５Ｌ．ｍｏｌ＾－１．ｃｍ＾－１。Ｃｅ（Ⅳ）的质量浓度为０．００４～０．２ｍｇ／Ｌ时符合比尔定......
拟定了一种简便、快速测定锌合金中微量铈的方法.在强酸性体系中铈与二溴羧基偶氮氟胂(简称FAsA-DBK)形成蓝紫色络合物,其最大吸收......
合成了二安替比林基－（４－溴）苯基甲烷（ＤＡｐＢＭ），在Ｍｎ（Ⅱ）和吐温－６０存在下，Ｃｅ（Ⅳ）与ＤＡｐＢＭ反应生成有色化合物，λｍａｘ为４８０ｎｍ，ε＝３．２８×１０￣５Ｌ·ｍｏｌ－１．ｃｍ－１，Ｃｅ（Ⅳ）量在０．５～５．０μｇ／２５ｍｌ间符合比尔定律。该体系灵敏度......
合成了二安替比林基－４－羟基苯基甲烷。研究了它与铈的显色反应，在稀磷酸介质和Ｔｗｅｅｎ－６０存在下，试剂与铈生成橙红色化合物，λｍａｘ＝４５０ｎｍ，ε＝６．８＊ｄ１０＾ｄ５Ｌ．ｍｏｌ＾－１．ｃｍ，Ｃｅ（Ⅳ）量在０．１－０．８μｇ／２５ｍＬ间符合比尔......
合成了二安替比林基－（４－溴）苯基甲烷（ＤＡｐＢＭ）．在Ｍｎ（Ⅱ）和吐温－６０存在下，Ｃｅ（Ⅳ）与ＤＡｐＢＭ反应生成有色化合物，λ＿（ｍａｘ）为４８０ｎｍ，ε为３．２８×１０￣５Ｌ·Ｍｏｌ￣（－１）·ｃｍ￣（－１），Ｃｅ（Ⅳ）量在０．５～５０μｇ／２５ｍｌ间符合比尔定律。该体......
仲碳伯胺N_(1923)萃取铈(Ⅳ)的~1H,~(15)N-NMR研究表明,在萃取铈(Ⅳ)时也同时萃取H_2O和H_2SO_4进入有机相,当铈(Ⅳ)浓度较高时,铈......
