Acidity of Solid and Liquid Acids Probed by P-31 NMR Chemical Shifts of Phosphine Oxides

A novel method for acidity characterization of solid and liquid acids is proposed. Surpassing conventional methods, this technique employs 31P nuclear magnetic resonance (NMR) of adsorbed phosphine oxides is capable of monitoring a wide range of acidic strengths from weak to super acids with superio...

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Autors principals: Chih-Yi Yang, Chih-Chung Chang, Ningdong Feng, Shing-Jong Huang, Anmin Zheng, Yu-Chi Chang, Kuei-Chi Lee, Feng Deng, Shang-Bin Liu
Format: Artigo
Idioma:Inglês
Publicat: SpringerOpen 2011-12-01
Col·lecció:Journal of Analytical Science and Technology
Matèries:
Acidity
Acid Catalyst
31P NMR
Chemical Shift
Phosphine Oxides
Accés en línia:http://www.jastmag.org/journal/view.php?Type=C&number=76
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