نتایج جستجو برای: alkaline earth cations

تعداد نتایج: 157605  

The interaction between eriochrome black T and Li , Na , K ,Mg and Ca ions in acetone and dimethylsulphoxide solutions has been investigated spectrophotometrically. The formation constants of the resulting 1 : 1 complexes were determined and found to decrease in the order Mg >Ca >Li >K >Na in both solvents used. There is an inverse relationship between the stabilities of the complexes...

2017
Sorin-Claudiu Roşca Elsa Caytan Vincent Dorcet Thierry Roisnel Jean-François Carpentier Yann Sarazin Jean-François

2013
Xian Chen Dengfeng Peng Feng Wang

Phase and size of lanthanide-doped nanoparticles are the most important characteristics that dictate optical properties of these nanoparticles and affect their technological applications. Herein, we present a systematic study to examine the effect of alkaline earth doping on the formation of NaYF₄ upconversion nanoparticles. We show that alkaline earth doping has a dual function of tuning parti...

2017
John R. Hardy Jianjun Liu Chun-Gang Duan Wai-Ning Mei R. W. Smith W. N. Mei J. R. Hardy

2016
Avinash Kumar

A number of new binuclear complexes have been synthesised by interaction of stable Ni(II) and Cu(II) metal chelates of p-Methylisonitroacetosophenone with Alkaline earth metal salts having general formula[Ma(p-MeINAP)2MbL2 or MbX2]where Ma=Ni(II) or Cu(II),p-MeINAP = deprotonated pMethyiIsonitrosoacetophenone, Mb= Ca ++ or Mg ++ ,L = deprotonated ortho amino benzoic acid and 8hydroxyquinoline X...

2010
Olaf Reckeweg Arndt Simon Joachim Strähle

The cluster compounds (NH4)4[Nb6Cl12(N3)6](H2O)2 (1) and Na1.15(3)La0.85(3)[Nb6Cl12(N3)6](H2O)13(1) (2) have been synthesized by the reaction of an aqueous solution of Nb6Cl14 with an excess of NaN3 and the respective chloride salts. 1 crystallizes isotypically to the other alkali metal cluster azides in the space group P1̄ (no. 2) with the lattice parameters a = 908.97(8), b = 932.78(8), c = 10...

Journal: :Advanced sustainable systems 2022

Electrochemical ion separation is a promising technology to recover valuable ionic species from water. Pseudocapacitive materials, especially 2D are up-and-coming electrodes for electrochemical separation. For implementation, it essential understand the interplay of intrinsic preference specific (by charge/size), kinetic mobility), and crystal structure changes. Ti3C2Tz MXene chosen here invest...

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