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Solid phase extraction of copper, nickel, and cobalt in water samples after extraction using surfactant coated alumina modified with indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption spectrometry
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
2010/12/3
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
'Solid phase extraction of Copper, Nickel and Cobalt in water samples after extraction using surfactant Coated alumina modified with Indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
2010/10/19
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
Evaluation of solid-phase extraction sorbent with ketoimine groups for the preconcentration of benzene and phenolic compounds in water
Modified silica solid-phase extraction SPE
2010/10/18
The applicability of silica gel, modified with ketoimine groups, to solid phase extraction (SPE) was tested. Basic characteristics of the modified silica were determined using elemental analysis, and ...
Water-Gas Shift Reaction over Bimetallic Pt-Ni/Al2O3 Catalysts
Water-gas shift Pt-Ni CO removal high temperature shift (HTS)
2010/4/9
The water-gas shift (WGS) activity of bimetallic Pt-Ni/Al2O3 catalysts was investigated in the temperature range 200-450 °C using an idealized feed composition consisting of 3% CO and 6%-10% H2O. The ...
Potentiometric Determination of the Stability Constants of Lanthanide Complexes with Iminodiacetic Acid in Water and Dioxane-Water Mixtures
Iminodiacetic acid lanthanide(III) complexes stability constants dioxane-water mixtures
2010/4/15
The protonation constants of iminodiacetic acid (H2 ida) and the stability constants of its complexes with Nd(III), Sm(III), Gd(III), Dy(III), and Er(III) ions at metal/ligand mole ratios of 1:1, 1:2,...
专著信息
书名
Synthesis and photodynamic therapy properties of a water-soluble Hypocrellin modified by cyclodextrin
语种
英文
撰写或编译
作者
Z.Z. Ou,J.R. Chen,X.S. Wang,B.W. Zhang,Y. Cao
第一作者单位
出版社
Chemistry Letters ...
专著信息
书名
Synthesis of a water-soluble cyclodextrin modified hypocrellin and ESR study of its photodynamic therapy properties
语种
英文
撰写或编译
作者
Z.Z. Ou,J.R. Chen,X.S. Wang,B.W. Zhang,Y. Cao
第一作者单位
出版社
New ...
Potentiometric Studies on the Protonation Constants and Solvation of Some a-Amino Acid Benzyl- and t-Butyl- Esters in Ethanol-Water Mixtures
Potentiometry protonation constants solvent effect amino acid esters
2010/4/20
To gain more information about the effect of solvent on a -amino acid benzyl- and t-butyl- esters, the stoichiometric protonation constants of 10 esters (glycine benzyl ester, L-alanine benzyl ester, ...
Plasticiser Effect on Water Vapour Permeability Properties of Locust bean gum--Based Edible Films
Locust bean gum edible film water vapour permeability plasticiser stearopten beeswax
2010/4/21
The barrier properties of edible films prepared from polysaccharide polymer (locust bean gum) and various plasticisers (glycerol, propylene glycol, sorbitol, and polyethylene glycol 200) together with...
The Protonation Constants of Some Aliphatic Alkylamines in ethanol-water Mixtures
Aliphatic amines potentiometry protonation constant ethanol-water mixtures
2010/4/22
Protonation constants of methyl-, ethyl-, propyl- and butylamines Were determined potentiometrically using an electrode system calibrated in concentration units of hydrogen ion in ethanol-water mixtur...
Structural Studies of Water-Soluble b-Brominated Manganese Porphyrins: Stabilities of MnTDCSPPBr 8 and MnTSPPBr 8 as Homogeneous and Supported Reagents Toward Hydrogen Peroxide and Sodium Hypochlorite
Water-Soluble b-Brominated Manganese Porphyrins Stabilities of MnTDCSPPBr 8 MnTSPPBr 8 as Homogeneous Supported Reagents Toward Hydrogen Peroxide Sodium Hypochlorite
2010/6/27
This article describes the structural stabilities of [2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetrakis(2,6-dichloro-3-sulfonatophenyl)porphinato]manganese(III) X (where X = H2O and/or OH- , depending...
Transition Metal Compound Mediated Reduction of a-Amino Acids to 1,2-Amino Alcohols with NaBH4 in Water
Transition Metal Compound Mediated Reduction a-Amino Acids to 1,2-Amino Alcohols NaBH4 Water
2010/6/28
A new efficient and cost-effective method for the preparation of 1,2-amino alcohols is described. The reactions of amino acids with NaBH4 in the presence of NiCl2 or MoO3 in water give 1,2-amino alcoh...
Determination of the Protonation Constants of 2-[4-Dimethylaminocinnamalamino] Benzoic Acid (DACAB) in Dioxane - Water Medium and Preparation of Some of its Transition Metal Complexes
Determination the Protonation Constants 2-[4-Dimethylaminocinnamalamino] Benzoic Acid (DACAB) in Dioxane - Water Medium and Preparation Transition Metal Complexes
2010/6/30
In this study, the Schiff base 2-[4-Dimethylaminocinnamalamino]- benzoic acid [(CH3)2N.C6H4.CH:CH.N.C6H4.COOH] (DACAB) was prepared by the reaction of 2-Aminobenzoic acid with p-Dimethylaminocinnamald...