搜索结果: 1-5 共查到“化学 dioxane”相关记录5条 . 查询时间(0.114 秒)
Acoustical Studies of Schiff Bases in 1,4-dioxane and Dimethylformamide at 308.15 K
Density Viscosity Ultrasonic velocity Schiff bases 1,4-dioxane Dimethylformamide
font style='font-size:12px;'>
2009/12/25
Density, viscosity and ultrasonic velocity of solutions of four Schiff bases in 1,4-dioxane and dimethylformamide (DMF) were measured at 308.15 K. Various acoustical properties such as specific impeda...
Dynamic 1H-NMR demonstration of anomeric effect and structure: conformational and configurational analysis of N-2-(1,4-dioxane)-N'-(p-methylbenzenesulfonyl)- O-(p-methylphenoxy) İsourea
Anomeric effect dynamic NMR conformational analysis configurational analysis hydrogen bonds dioxane aminoimidoyl
font style='font-size:12px;'>
2010/4/8
The conformational and configurational behavior and the structure of N-2-(1,4-dioxane)-N'-(p-methylbenzenesulfonyl)-O- (p-methylphenoxy) isourea (1) were studied using dynamic NMR. The endo-anomeric e...
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
font style='font-size:12px;'>
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,...
Acoustical Studies of Some Schiff Bases in 1,4-Dioxane and Dimethylformamide at 318.15 K
font style='font-size:12px;'>
2007/12/19
摘要 From experimental data of density, viscosity and ultrasonic velocity, the various acoustical properties, such as specific impedance (Z), isentropic compressibility (κs), Rao’s molar sound function ...
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
font style='font-size:12px;'>
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...