Determination of formation constants at elevated temperatures by laser-induced photoacoustic spectroscopy
Conference
·
OSTI ID:191719
- Lawrence Livermore National Laboratory, CA (United States); and others
A photoacoustic spectrometer has been developed for high-sensitivity optical absorption measurements of aqueous solutions at temperatures from ambient to 90 C. The light source is a Nd:YAG-pumped dye laser, and the photoacoustic signal is detected with a piezoelectric transducer coupled to a thermostatted quartz cell. The temperature dependence of the observed photoacoustic signal is compared to a theoretical model, and the application of the instrument to the determination of formation constants of metal-ligand complexes at elevated temperatures is discussed. Measurements of the temperature dependence of the formation constant for AmCO{sub 3}{sup +} are reported.
- OSTI ID:
- 191719
- Report Number(s):
- CONF-941098--
- Country of Publication:
- United States
- Language:
- English
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