نتایج جستجو برای: tetrapropylammonium

تعداد نتایج: 123  

Journal: :Journal of Dispersion Science and Technology 2023

As synthesized surface active ionic liquids (SAILs), Tetrapropylammonium Dodecylsulfate (TPADS), and Tetrabutylammonium (TBADS) have been characterized by FTIR, 1H-NMR 13C-NMR spectroscopic techniques. Conductometric UV-Visible probe investigations attempted to study the aggregation behavior of these SAILs in aqueous solution polymers Polyvinylpyrrolidone (PVP) Polyethylene glycol (PEG) at diff...

Journal: :Microporous and Mesoporous Materials 2023

The solvent-free (SF) synthesis is a green alternative to the conventional method of for zeolites. In this study, we show first time feasibility carrying out SF silicalite-1 (F? route) without any grinding. We also monitor changes during thanks multiple characterization techniques: XRD, TGA, SEM, EDX, and multinuclear NMR (13C, 19F, 29Si). how duration thermal treatment impacts zeolite crystal ...

Journal: :The Journal of General Physiology 1994
M E O'Leary R Horn

The human heart Na channel (hH1) was expressed by transient transfection in tsA201 cells, and we examined the block of Na current by a series of symmetrical tetra-alkylammonium cations: tetramethylammonium (TMA), tetraethylammonium (TEA), tetrapropylammonium (TPrA), tetrabutylammonium (TBA), and tetrapentylammonium (TPeA). Internal TEA and TBA reduce single-channel current amplitudes while havi...

Journal: :Chinese Journal of Catalysis 2021

A series of Mo-containing MFI zeolites with different Mo loadings (Mo-MFI-n, n represent the initial Si/Mo molar ratio) was hydrothermally synthesized by using tetrapropylammonium hydroxide as template and Mo-EDTA complex source. Various characterization results demonstrated that use is beneficial for incorporation more species into MFI-type zeolites. The special complexing capability EDTA2– pl...

Journal: :Applied sciences 2021

The nature of organic structure directing agents (OSDAs) is paramount importance in the final properties zeolites, particularly framework and porosity. Recently, use P-containing OSDAs has been employed for new but there little discussion compared to their analogues N-OSDAs. main objective this work characterization pure silica MFI zeolite (silicalite-1) prepared by dual-template route with tet...

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