Hydrodynamic Chromatography: Practical Applications

weight, polydispersity, and spectroscopic properties of aquatic humic substances. Environmental Science and Technology 28: 1853. Conte P and Piccolo A (1999) Conformational arrangement of dissolved humic substances. InSuence of solution composition on association of humic molecules. Environmental Science and Technology 33: 1682. Davies G andGhabbour EA (1999) Understanding life after death. Chemistry and Industry 7 June: 426. Huber SA and Frimmel FH (1994) Direct gel chromatographic characterization and quantiRcation of marine dissolved organic carbon using high-sensitivity DOC detection. Environmental Science and Technology 28: 1194. Liu X and Ryan DK (1997) Analysis of fulvic acids using HPLC/UV coupled to FTIR spectroscopy. Environmental Technology 18: 417. Ryan DK, Thompson CP and Weber JH (1983) Comparison of Mn2#, Co2#, and Cu2# binding to fulvic acid as measured by Suorescence quenching. Canadian Journal of Chemistry 61: 1505. Saleh FY, Ong WA and Chang DY (1989) Structural features of aquatic fulvic acids. Analytical and preparative reversed-phase high-performance liquid chromatography separation with photodiode array detection. Analytical Chemistry 61: 2792. Sein LT, Varnum JM and Jansen SA (1999) Conformational modeling of a new building block of humic acid: approaches to the lowest energy conformer. Environmental Science and Technology 33: 546. Smelley MB, Shaver JM and McGown LB (1993) On-theSy Suorescence lifetime detection in HPLC using a multiharmonic Fourier transform phase-modulation spectroSuorometer. Analytical Chemistry 65: 3466.