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ienjoysun
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Chromatogram Mobile phase : MeOH 100%, flow-rate 1.0mL/min. Column : Superiorex (150mm x 4.6mm i.d., monomericODS, particle size 5??m ) (Shiseido). Wavelength : 275nm. Temperature : r.t.. Retention time : 2.73min. -------------------------------------------------------------------------------- UV spectrum 1 : ??max=275nm (6.6) -------------------------------------------------------------------------------- [Instrumentation] LC Device 880 PU LC pump (Jasco, Hachioji, Japan) MD-915 UV/VIS multiwavelength detector (Jasco, Hachioji, Japan) Data processing system DP-L910/915 (Jasco, Hachioji, Japan) (Wavelength Accumulation 3nm, Time Accumulation 0.8sec.) -------------------------------------------------------------------------------- Physical Properties Chemical Formula : C10H8 Molecular weight : 128.17 Melting point : 81 ?? Boiling point : 218 ?? Resonance energy : 1.325 eV Heat of vaporization : 43.2 KJ / mol Molecular connectivity X : 3.405 Length / Breadth Ratio : 1.24 (L/B) F number : 5.0 (F number) Water solubility : 2.4 x 10-1 mmol / l Molecular volume : 126.9 ??3 Molar volume : 148 cm3mol. Molec.Surface Area : 155.8 ??2 Vapour pressure at 25?? : 10.9 Pa Enthalpy of sublimation at 25?? : 72.6+0.6 KJ / mol Henry Constant : 4.5 x 10-3 Atm.m3 / mol -------------------------------------------------------------------------------- References Karcher, W., Fordham, R.J., Dubois, J.J. Glaude 13, 227 P.G.J.M. & Ligthart, J.A.M.(1985), Spectral Atlas of Polycyclic Aromatic Compounds, D. Reidel Publ. Co., Dordrecht, Boston, Lancaster Grimmer, G. (1983) (ed.) in: Environmental Carcinogens, Polycyclic Aromatic Hydrocarbons, 36-37 CRC Press Inc., Boca Raton, Florida (USA) White, C.M. (1986), J. Chem. Eng. Data, 31, 198 Herndon, W.C. & Hosoya, H. (1984), Tetrahedron 40, 3987 White, C.M. (1986), J. Chem. Eng. Data, 31, 198 White, C.M. (1986), J. Chem. Eng. Data, 31, 198 Hites, R.A., Simonsick Jr., W.J. (1987), Calculated Molecular Properties of PAH, Elsevier, Amsterdam J. F. Schabron, R. J. Hurtubise, H. F. Silver.(1977), Anal. Chem., 49, 2253 Pearlman, R.S., Yalkowsky, S.H., Banerjee, S. (1984), J. Phys. Chem. Ref. Data, 13, 555 Mackay, D. & Shiu, W.Y. (1981), J. Phys. Chem. Ref. Data, 10, 1175 De Kruif, C.G. (1980), J. Chem. Thermodynamics 12, 243 |
7楼2008-01-24 09:38:23
2楼2008-01-23 19:43:56
3楼2008-01-23 19:51:24
ienjoysun
银虫 (著名写手)
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4楼2008-01-24 09:17:30
