نتایج جستجو برای: propanol

تعداد نتایج: 2724  

This paper is mainly focusing on the determination of mean molal activity coefficient of HCl in aqueous acidic medium. The present investigations have been carried out to determine the activity coefficients of hydrochloric acid in 2-propanol water mixture solutions under various conditions to study the ion solvent interactions in different temperatures. The standard molar potential Em0 of the c...

Journal: :Current Issues in Pharmacy and Medical Sciences 2022

Abstract Eight drugs blocking beta-adrenergic receptors activity (acebutolol, alprenolol, atenolol, oxprenolol, labetalol, metoprolol, propranolol and sotalol) were investigated through the use of thin-layer technique with its mobile phase containing surfactant. Assessment effect surfactant presence 1-propanol concentration in on retention separation solutes was then carried out wherein zone sh...

Journal: :European mechanical science 2021

Internal combustion engines are quite widely used today. Much work is being done to reduce the environmental damage of internal engines, fuel consumption and improve engine performance values. Despite a lot date, it known that due increase in number gasoline their excessive. In this study, effect 2-Propanol use on emission characteristics was investigated. (%5, %10, %15 by volume) mixed with fu...

The present work concerns with an investigation on the solubility of cis,cis-muconic acid dissolution in different polar solvents by characterizing and modeling the dissolution as a function of temperature. Water, ethanol, 2-propanol and acetic acid have been investigated as solvents in the range temperatures from a 298.15 to 348.15 K. Owing to the absence of cis,cis-muconic acid solubility...

2013
Guo-Min Tang Wei Xu

In the title compound, C13H15NO2, the acetate group [C-C(=O)-O] makes a dihedral angle of 62.35 (13)° with the mean plane of the indole ring system [maximum deviation = 0.011 (3) Å]. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds, forming helical chains propagating along [010].

2013
Sha Lai Yong Chen Yan Li Yonggang Shen Hongwei Wu

In the title compound, C19H22N2, both the benzimidazole unit and the 2,6-diiso-propyl-phenyl group are essentially planar [maximum deviations from the least-squares planes of 0.005 (1) and 0.009 (1) Å, respectively]. The dihedral angle between the two planes is 79.6 (7)°. In the crystal, mol-ecules are linked into chains along the a-axis direction by weak C-H⋯N inter-actions. The crystal struct...

2009
Rui-Bo Xu Xing-You Xu Da-Qi Wang Xu-Jie Yang Shuan Li

The mol-ecule of the title compound, C(28)H(42)N(6), has site symmetry with the centroid of the piperazine ring located on an inversion center. The piperazine ring adopts a chair conformation. The benzene ring and propyl-piperazine are on opposite sides of the C=N bond, showing an E configuration.

2012
Maria D. Nikolaki Katerina N. Zerva Constantine. J. Philippopoulos

The photochemical and photo-Fenton oxidation of 1,3-dichloro-2-propanol was performed in a batch reactor, at room temperature, using UV radiation, H2O2 as oxidant, and Fenton’s reagent. The effect of the oxidative agent’s initial concentration was investigated as well as the effect of the initial concentration of Fe(II) by following the target compound degradation, the total organic carbon remo...

2012
Shaaban K. Mohamed Mehmet Akkurt Muhammad N. Tahir Antar A. Abdelhamid Ali N. Khalilov

In the title compound, C(13)H(17)N(2)OS(+)·Cl(-), the thia-zolium ring mean plane makes a dihedral angle of 55.46 (9)° with the benzene ring. In the propanol group, the N-C-C-C and N-C-C-O torsion angles are 172.58 (15) and 52.9 (2)°, respectively, and the S-C-C-C torsion angle is 178.99 (18)°. In the crystal, mol-ecules are linked by O-H⋯Cl and N-H⋯Cl hydrogen bonds, forming zigzag chains alon...

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