搜索结果: 31-43 共查到“理学 ligands”相关记录43条 . 查询时间(0.034 秒)
Studies on Mononuclear Chelates Derived from Substituted Schiff Base Ligands (Part 4): Synthesis and Characterization of a New 5-Hydroxysalicyliden-P-Aminoacetophenoneoxime and Its Complexes with Co(II), Ni(II), Cu(II) and Zn(II)
Schiff bases transition metal complexes oxim
2010/4/20
5-Hydroxysalicyliden-p-aminoacetophenoneoxime (LH) was synthesized starting from p-aminoacetophenoneoxime and 5-hydroxysalicylaldehyde. Complexes of this ligand with Co+2, Ni+2, Cu+2 and Zn+2 salts we...
Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) as Donor Ligands in Organotin(IV) Derivatives: Synthesis, Spectroscopic Characterization and Biological Applications
Derivatives Synthesis Spectroscopic Characterization Biological Applications
2010/4/20
Some new di- and tri-organotin(IV) derivatives of 4 different non-steroidal anti-inflammatory drugs (NSAIDs) with the general formulae R2SnL2 and R3SnL (where R = n-C8H17 and C6H5CH2) and L = 2-[(2,3-...
Synthesis and Characterization of Nitrosyl[tris(3,5dimethylpyrazolyl)borato]molybdenum Complexes Containing Aryloxo, Arylamido and Arylcyano Ligands
Molybdenum complexes Tris(3,5-dimethylpyrazolyl)borate Molybdenum tris(3,5-dimethylpyrazolyl)borate complexes Nitrosyl complexes
2010/4/20
The complexes [MoTp*(NO)X(ZC6H4CN-p)] [Tp* = 3,5- dimethylpyrazolyl; X = Cl, Z = O and NH; X = I, Z = CN) were prepared and characterized using 1H-NMR, IR, FAB mass spectroscopy and micro analysis.
Production of cobalt binding ligands in a Synechococcus feature at the Costa Rica upwelling dome
cobalt binding ligands Synechococcus feature Costa Rica upwelling dome
2014/5/8
The Costa Rica upwelling dome (CRD; ~8.67°N and 90.6°W) was characterized chemically for cobalt and nickel abundances and speciation and biologically using cyanobacterial abundances and phylogeny. Tot...
Effect of pH on measurement of strong copper binding ligands in lakes
lakes strong copper binding
2014/5/14
We investigated the effect of pH on Cu
21
binding by natural organic ligands in two New Zealand lakes on the
South Island, New Zealand, using competitive ligand equilibration with salicylaldoxime a...
Synthesis, Characterization of Some Co(III) Complexes with vic-Dioxime Ligands and Their Antimicrobial Properties
vic-Dioxime ligands cobalt(III) complexes antimicrobial activities
2010/4/21
In this study, 6 different new vic-dioxime ligands and their mononuclear complexes with Co(III) have been synthesized. The structures of these compounds were identified by using elemental analyses, IR...
Synthesis and Characterization of Cu(II) Complexes of Two Ligands Derived from Malonyl Dichloride
Copper(II) complexes malonamide benzothiazole mononucleating ligands
2010/4/21
Two different mononucleating ligands incorporating N4 and N2S2 donor units, 2-(1,3-benzothiazole-2-yl-methyl)-1,3-benzothiazole (L1) and N,N'-bis-(2-amino-phenyl)-malonamide (H2L2) were synthesized by...
1H NMR Studies of Some Imidazole Ligands Coordinated to Co(III)
1H NMR Imidazole Ligands Coordinated Co(III)
2010/4/21
Chemical shifts for proton signals of an imidazole ring coordinated to Co(III) move downfield as the total complex charge increases. However, the C(2) - H chemical shift of the imidazole ring in cis-[...
Synthesis of New Bisamidoxime Ligands and their Monocharged Metal Complexes
bis-amidoximes dithioethers monocharged metal complexes mixed donor complexes
2010/7/1
This paper describes the synthesis of two new bisamidoxime ligands with dithioether connecting groups. The ligands were obtained from ethane dithiol in two steps; i) cyanoalkylation ii) oximation with...
The Effect of Dissolved Ligands on the Sorption of Cu(II) by Ca-Montmorillonite
Adsorption β-alanine Copper Ethylenediamine Malonic acid Modeling Montmorillonite
2011/12/28
The effects of three organic ligands on the adsorption of copper on Ca-montmorillonite were studied. The results indicate that these effects include three different processes: Enhanced uptake of posit...
The Effect of Dissolved Ligands upon the Sorption of Cu(II) by Ca-Montmorillonite
Adsorption β-alanine Copper Ethylenediamine Malonic acid Modeling Montmorillonite
2011/12/30
The effect of three organic ligands on the adsorption of Cu on Ca-montmorillonite was studied. The results indicate that these effects include three different processes: Enhanced uptake of positively ...
Effect of Prolonged Aging on the Transformation of Short-Range Ordered Aluminum Precipitation Products Formed in the Presence of Organic and Inorganic Ligands
Aging Gibbsite Montmorillonite Noncrystalline Al products Pseudoboehmite
2011/12/29
More than 40 samples of Al precipitation products formed in the presence of organic (aspartic, oxalic, citric, tartaric, malic, salicylic, and tannic acid, and acetylacetone) and inorganic (chloride, ...
Influence of Inorganic and Organic Ligands on the Formation of Aluminum Hydroxides and Oxyhydroxides
Aluminum hydroxide Boehmite Ligand Precipitation Pseudoboehmite X-ray powder diffraction
2012/1/13
Hydroxide and oxyhydroxide products of aluminum were formed at room temperature at an initial Al concentration of 2 × 10−3 M, pH 8.2, and at varying concentrations of organic and inorganic ligan...