Correlation of solvatochromic effects with retention in supercritical fluid chromatography

Conference · Thu May 01 00:00:00 EDT 1986

OSTI ID:5540066

Yonker, C R; Gale, R W; Smith, R D

The study of mobile phase intermolecular interactions is reported using the solvatochromic technique for supercritical fluid chromatography (SFC). The change in the solvation character of the cybotactic region of the selected solute probes was observed to be dependent on the density of the solvent. This change in solvation is compared with solute retention under similiar pressure and temperature conditions for capillary SFC. The major solute-solvent interactions with CO/sub 2/ seems to be from dipole-induced dipole interactions. 25 refs., 8 figs.

• Research Organization: Pacific Northwest Lab., Richland, WA (USA)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 5540066
• Report Number(s): PNL-SA-13584; CONF-8605132-2; ON: DE86012150
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
ANISOLE
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHROMATOGRAPHY
DENSITY
ETHERS
FUNCTIONS
INTERMOLECULAR FORCES
NITRO COMPOUNDS
NITROBENZENE
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RETENTION FUNCTIONS
SEPARATION PROCESSES
SOLUTES
SOLVATION
SOLVENT PROPERTIES
SOLVENTS
SUPERCRITICAL FLUID CHROMATOGRAPHY