In an article, published in an article, once mentioned the application of 33100-27-5, Name is 1,4,7,10,13-Pentaoxacyclopentadecane,molecular formula is C10H20O5, is a conventional compound. this article was the specific content is as follows.name: 1,4,7,10,13-Pentaoxacyclopentadecane
Competitive potentiometric study of complexation of some organoammonium ions with selected crown ethers in ethanol solution using Ag+ ion as a probe
The complexation of NH4+, CH3NH3+, C2H5NH3+, C6H5NH3+ (anilinium), and C5H5NH+ (pyridinium) ions with 18-crown-6, dicyclohexyl-18-crown-6, and 15-crown-5 in ethanol solution has been investigated by a competitive potentiometric method using Ag(I) ion an auxiliary ion. The enthalpy and entropy of the complexes studied were determined from the temperature dependence of the stability constants. For all cations used, the stability of the resulting complexes varies in the order dicyclohexyl-18-crown-6>18-crown-6>15-crown-5, while, for each crown ether studied, the stability order of the resulting organic ammonium ions is NH4+>CH3NH3+>C2H5 NH3+>C6H5NH3+>C5H$ -5$/NH+. In all cases studied, the complexes are enthalpy-stabilized but entropy-destabilized.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare