Abstract:The solubilities of palladium(II) -diketonates (PdL 2 , L = acetylacetonate (acac), trifluoroacetylacetonate (tfa), and thenoyltrifluoroacetonate (tta)) in supercritical carbon dioxide (SC-CO 2 ) from 318 -338 K and 8 -25 MPa were investigated by UV-vis spectrophotometer equipped with a high-pressure optical cell. The molar absorptivities for Pd(acac) 2 , Pd(tfa) 2 , and Pd(tta) 2 in SC-CO 2 were estimated as 1.14 10 4 M -1 cm -1 at 324 nm, 8.16 10 3 M -1 cm -1 at 336.5 nm, and 2.70 10 4 M -1 cm -1 at 3… Show more
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