Pyridinium  N ‐Phenoxide Betaines and Their Application to the Characterization of Solvent Polarities, XXIII . Determination of  E  T (30) Values of Supercritical Carbon Dioxide at Various Pressures and Temperatures | Zendy

Eberhardt Runar | Zendy; Löbbecke Stefan | Zendy; Neidhart Bernd | Zendy; Reichardt Christian | Zendy

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Pyridinium N ‐Phenoxide Betaines and Their Application to the Characterization of Solvent Polarities, XXIII . Determination of E T (30) Values of Supercritical Carbon Dioxide at Various Pressures and Temperatures

Author(s) -

Eberhardt Runar,

Löbbecke Stefan,

Neidhart Bernd,

Reichardt Christian

Publication year - 1997

Publication title -

liebigs annalen

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 0947-3440

DOI - 10.1002/jlac.199719970622

Subject(s) - solvatochromism , chemistry , betaine , pyridinium , supercritical carbon dioxide , supercritical fluid , solvent , carbon dioxide , bar (unit) , solvent polarity , polarity (international relations) , organic chemistry , inorganic chemistry , photochemistry , biochemistry , physics , meteorology , cell

By means of the negative solvatochromic betaine dyes 1a, b , the UV/Vis‐spectroscopically derived empirical solvent polarity parameter E T ( 30 ) for supercritical carbon dioxide (sc‐CO 2 ) was determined in the temperature and pressure ranges 40–80°C and 150–550 bar, respectively.

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