نتایج جستجو برای: h2o and inorganic ions

تعداد نتایج: 16850657  

Journal: :Chemical communications 2005
Samadara Thushari John A K Cha Herman H-Y Sung Stephen S-Y Chui Andy L-F Leung Yu-Fong Yen Ian D Williams

L-Tartrate ions can endure hydrothermal conditions up to 160 degrees C to form the robust, enantiopure open-framework coordination polymers [Ln2(L-TAR)3(H2O)2]3H2O, 1; the addition of succinate results in formation of the related [Ln2(L-TAR)2(SUC)(H2O)2]5.5H2O, with larger channels than , whereas racemic D/L-tartrate gives the more condensed [Ln2(D/L-TAR)3(H2O)2], . TAR = [C4H4O6]2-.

Journal: :Journal of lipid research 2017
Meei-Hua Lin Jeffrey H Miner John Turk Fong-Fu Hsu

1-O-acylceramide is a new class of epidermal cer-amide (Cer) found in humans and mice. Here, we report an ESI linear ion-trap (LIT) multiple-stage MS (MSn) approach with high resolution toward structural characterization of this lipid family isolated from mice. Molecular species desorbed as the [M + H]+ ions were subjected to LIT MS2 to yield predominately the [M + H - H2O]+ ions, followed by M...

Journal: :Dalton transactions 2015
Yang-Yang Zhou Shuang Yao Jing-Hui Yan Li Chen Ting-Ting Wang Chun-Jie Wang Zhi-Ming Zhang

Two purely inorganic three-dimensional (3D) frameworks [Mn4(H2O)11V(IV)(18)O42(PO4)](7-) (1) and [Mn2(H2O)7V(IV)(18)O42(PO4)](11-) (2) were synthesized under hydrothermal conditions and fully characterized by single-crystal X-ray structural analysis, IR spectroscopy, thermogravimetric analysis and PXRD. Structural analysis revealed that these two compounds contained a similar all reduced polyox...

Journal: :journal of the iranian chemical research 0
belkheir hammouti laboratoire de chimie appliquée et environnement, faculté des sciences, université mohammed premier, b.p. 717, 60 000 oujda,morocco rachid salghi laboratoire d'ingénierie des procédés de l’energie et de l’environnement, equipe génie de l’environnement et de biotechnologie, ecole national des sciences appliquées, bp 1136, agadir, mohammed mihit laboratoire matériaux & environnement, equipe de chimie physique appliquées, faculté des sciences, bp 8106, agadir - morocco lahcen bazzi laboratoire matériaux & environnement, equipe de chimie physique appliquées, faculté des sciences, bp 8106, agadir - morocco

the electrochemical behaviour of lead electrode in hydrochloride solution containing variousoxo-anions at different concentrations was studied by using of cyclic voltammetry (cv) method.results obtained show that the addition of these inorganic compounds decreases the anodic andcathodic currents peaks according to the following order: h2po4- > hpo42-> so42-. it’s revealedalso that the cathodic ...

2016
Marcin Frankowski

The results of inorganic and organic anion concentrations in samples of soils and plant parts of Betula pendula (tap roots, lateral roots, stem, twigs, leaves), in the bioavailable fraction, are presented in this study. An ion chromatography method was applied for the first time in the simultaneous determination of inorganic and organic anions, as an effective tool for qualitative and quantitat...

Journal: :Dalton transactions 2015
Zhichao Shao Chao Huang Xiao Han Huarui Wang Angran Li Yanbing Han Kai Li Hongwei Hou Yaoting Fan

A series of 2D layered isostructural coordination complexes {[M3(L)2(H2O)6]·H2O}n (M = Mn (1), Mn0.7Co0.3 (2), Mn0.5Co0.5 (3), Mn0.3Co0.7 (4), and Co (5), respectively, H3L = 1-aminobenzene-3,4,5-tricarboxylic acid) have been synthesized under hydrothermal conditions, and applied to catalyze the reaction of degenerating organic dyes under visible light irradiation. The photocatalytic results in...

2005
K. L. Aplin

Results from previous laboratory experiments indicate that both the protonated water dimer H3O(H2O), and molecular cluster-ions, X(H2O)n absorb infra-red (IR) radiation in the water vapour continuum region between 4-14μm (2500-714cm). Protonated water clusters are a common species of atmospheric molecular cluster-ion, produced by cosmic rays throughout the troposphere and stratosphere. Under cl...

Journal: :Science China. Materials 2021

Zero-dimensional metal halide perovskites have captured intense research interest owing to their unique optoelectronic properties. Particularly, halides with the ns2 electronic configuration are of great high-temperature sensitivity photoluminescence, which could be applied remote optical thermometry (ROT). Herein, all-inorganic and lead-free perovskite Te4+-doped Cs2InCl5·H2O single crystals (...

2014
Adel Elboulali Ahmed Selmi Nicolas Ratel-Ramond Mohamed Rzaigui Samah Toumi Akriche

The title compound, (C8H12NO)2[Co(H2P2O7)2(H2O)2]·2H2O, crystallizes isotypically with its Mn(II) analogue. It consists of alternating layers of organic cations and inorganic complex anions, extending parallel to (100). The complex cobaltate(II) anion exhibits -1 symmetry. Its Co(2+) atom has an octa-hedral coordination sphere, defined by two water mol-ecules in apical positions and two H2P2O7 ...

Journal: :Dalton transactions 2015
Lu-Lu Li Hua-Yan Han Yong-Hui Wang Hua-Qiao Tan Hong-Ying Zang Yang-Guang Li

A series of polynuclear metal-oxo clusters have been constructed from the dynamic polyoxometalate (POM) building block {B-α-Sb(III)W9O33} and lanthanide (Ln) linkers via a stepwise synthetic strategy with the molecular formulas of [Ln2(H2O)4{WO2(pic)}2(SbW8O30)2](10-) (Na4Li6[La-1]·28H2O, Na3Li7[Pr-2]·30H2O) and [{Ln(H2O)}{Ln(pic)}(Sb3O4)(SbW8O31)(SbW10O35)]2(24-) (K2Na6Li16[Tb-3]·63H2O, Na9Li1...

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