High-Pressure On-Line Photolysis with NMR Detection

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Abstract:

The investigation of the photoreversible fulgide Aberchrome-540 as a function of pressure and temperature with the use of nuclear magnetic resonance (NMR) detection is described. This technique demonstrates the novel combination of high-pressure NMR and laser photolysis with the use of fiber optics for the conversion of the fulgide on-line in the instrument. Investigation of the photolysis of Aberchrome-540 to 2.0 kbar and 120 °C is reported. Extension of this technique should allow the investigation of photoinitiated reaction kinetics and equilibria as a function of pressure and temperature with simultaneous structure characterization by NMR.

Keywords: Fiber optic; High-pressure NMR; On-line photolysis

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702963905664

Affiliations: Environmental and Energy Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352

Publication date: June 1, 1996

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