1. Editorial

   Editorial Introduction Pages: 237 - 237

2. Calculation of the UV Absorption Spectra of As(III) Oxo- and Thio- Acids and Anions in Aqueous Solution and of PF₃ in the Gas-phase

   • J. A. Tossell

   OriginalPaper Pages: 239 - 254

3. A Comparison of Fluvial Sediment Phosphorus (P) Chemistry in Relation to Location and Potential to Influence Stream P Concentrations

   • R. W. McDowell
   • A. N. Sharpley

   OriginalPaper Pages: 255 - 265

4. Direct and Indirect pCO₂ Measurements in a Wide Range of pCO₂ and Salinity Values (The Scheldt Estuary)

   • Michel Frankignoulle
   • Alberto Vieira Borges

   OriginalPaper Pages: 267 - 273

5. Fluvial Geochemistry through a Short-Duration, Tropical-Cyclone Induced Discharge event in the Burdekin River and Hann Creek, North Queensland, Australia

   • Jan Alexander
   • Chris R. Fielding
   • Clare F. Cottnam

   OriginalPaper Pages: 275 - 293

6. Contents to Volume 7

   Volume Contents Pages: 295 - 297