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N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions
extraction desulfurization ionic liquids dibenzothiophene
2015/3/11
In this research, 1-butyl-pyridinium tetrafluoroborate ([C4Py][BF4]-) was prepared by ion exchange method and was characterized by 1H-NMR, 13C-NMR, and FT-IR techniques. The synthesized ionic liquid w...
Construction and Characterization of Indium Liquid Ion Selective Electrodes Based on Crown Ethers in a PVC Matrix Membrane
Indium electrodes crown compounds selectivity measurements optode measurements
2010/4/19
Several indium ion selective electrodes were constructed based on 15-crown-5 (15C5), dicyclohexano-18-crown-6 (DCH18C6) and dibenzo-24-crown-8 (DB24C8) as sensors and di-octyl phenyl phosphonate (DOPP...
Separation of Abscisic Acid, Indole-3-Acetic Acid, Gibberellic Acid in 99 R (Vitis berlandieri x Vitis rupestris) and Rose Oil (Rosa damascena Mill.) by Reversed Phase Liquid Chromatography
Abscisic acid gibberellic acid indole-3-acetic acid plant hormones resolution RP-HPLC
2010/4/20
Plant hormones, specialized chemical substances produced by plants, are the main internal factors controlling growth and development. In this study the pH and polarity of the mobile phase were taken i...
Differential Pulse Polarographic Determination of Cadmium After Solid Liquid Extraction and Preconcentration Using PAN
Trace cadmium determination differential pulse polarography 1-(2-pyridylazo)-2-naphthol
2010/4/21
A highly selective, sensitive, rapid and economical differential pulse polarographic method has been developed for the determination of trace amounts of cadmium in various samples after the adsorption...
Vapour Liquid Equilibrium in Asymmetric Mixtures of n-Alkanes with Ethane
Vapour liquid equilibrium Interaction parameters Asymmetric mixtures
2010/4/22
The paper presents a vapour liquid equilibria study in binary mixtures of n-alkanes with high dimensional asymmetry. Each mixture contains ethane and alkanes higher than eicosane. Calculations were do...
Propylene Dimerization Over Nickel-Ion Exchanged Zeolites in the Liquid Phase
Propylene Dimerization Over Nickel-Ion Exchanged Zeolites in the Liquid Phase
2010/4/22
Propylene Dimerization Over Nickel-Ion Exchanged Zeolites in the Liquid Phase.
Synthesis and Characterization of Amorphous-Liquid Crystalline Poly(Vinyl Ether) Block Copolymers
Synthesis Characterization Amorphous-Liquid Crystalline Poly(Vinyl Ether) Block Copolymers
2010/7/1
A new series of amorphous-liquid crystalline poly(vinyl ether) block copolymers was synthesized using living cationic polymerization and free-radical polymerization techniques. Vinyl ether monomer was...
New Synthetic Approach For the Synthesis of Liquid Crystalline Block and Graft Copolymers
New Synthetic Approach Synthesis of Liquid Crystalline Block Graft Copolymers
2010/8/15
Liquid crystalline block and graft copolymers were synthesized according to the macroinitiator and macroinimer concept. For this purpose, side chain block copolymers (polytetrahydrofuran-b-polymethylm...