8 JOURNAL OF ANALYTICAL ATOMlC SPECTROMETRY FEBRUARY 1991 VOL. 6 Future Issues will Include - The March issue will contain the follow- ing papers. Contribution of System Components of Dispersion in the Analysis of Micro- volume Samples by Flow Injection Flame Atomic Absorption Spectrometry- Zhaolun Fang Bernhard Welz and Michael Sperling Fluorination and Volatilization of Refrac- tory Elements from a Graphite Furnace for Sample Introduction into an Induc- tively Coupled Plasma Using a FTFE Slurry-Min Huang Zucheng Jiang and Yun’e Zeng Effect of Long-chain Surfactants on Drop Size Distribution Transport Efficiency and Sensitivity in Flame Atomic Absorption Spectrometry With Pneumatic Nebulization - Juan Mora Antonio Canals and Vincente Heman- dis Use of Partial Least Squares Modelling to Compensate for Spectral Interferences in Graphite Furnace Atomic Absorption Spectrometry With Continuum Source Background Correction.Part 1. Determi- nation of Arsenic in Marine Sediments- Douglas C. Baxter Wolfgang Frech and Ingemar Berglund Matrix Interferences Observed With a Thermospray Sample Introduction System for Inductively Coupled Plasma Atomic Emission Spectrometry-M. T. C. de Loos-Vollebregt Runzhong Peng and J. J. Tiggelman Determination of Trace Amounts of Manganese in Water by Laser-enhanced Ionization Spectrometry After Solvent Extraction-A. Miyazaki and H. Tao Determination of Arsenic by Hydride Generation-Inductively Coupled Plasma Mass Spectrometry Using a Tubular Membrane Gas-Liquid Separator- Simon Branch Warren T. Corns Les Ebdon Steve Hill and Peter O’Neill Determination of Low Concentrations of Lithium in Biological Samples Using Electrothermal Atomization Atomic Ab- sorption Spectrometry-B. Sampson Pre-concentration by Coprecipitation.Part 1. Rapid Method for the Determina- tion of Ultra-trace Amounts of Ge in Natural Waters by Hydride Generation- Atomic Emission Spectrometry-Ian D. Brindle Mary E. Brindle Xiao-chun Le and Heng-Wu Chen Direct Determination of Chromium in Estuarine and Coastal Water by Graphite Furnace Atomic Absorption Spectrome- try-4. C. Apte S. D. W. Comber M. J. Gardner and A. M. Gunn Elimination of Copper Interference by Continuous Flow Matrix Isolation in the Determination of Selenium by Flow Injection Hydride Generation Atomic Absorption Spectrometry-Stephen G.OMey Nichola J. Seare Julian F. Tyson and Helen A. B. Kibble Analytical Atomic Spectroscopy Learn- ing from its Past-John B. Dawson Determination of Arsenic in Samples With High Chloride Content by Induc- tively Coupled Plasma Mass Spectro- metry4imon Branch Les Ebdon Mick Ford Michael E. Foulkes and Peter O’Neill Temperature Programmed Static SIMS Study of Phosphate Chemical Modifiers in Electrothermal Atomizers-D. C. Hasell Vahid Majidi and James A. Holcombe Determination of Ultratrace Metals in Sea-water With On-line Pre- concentration and GFAAS Determina- tion-V. Porta 0. Abollino E. Mentas- ti and C. Sarzanini Direct Analysis of Plastics by Laser Abla- tion Inductively Coupled Plasma Mass Spectrometry-John Marshall Jeff Franks Ian Abell and Christopher T. TYe Determination of Ammonium Acetate Extractable Molybdenum in Soil and Aqua Regia Soluble Molybdenum in Soil and Sewage Sludge by Graphite Furnace Atomic Absorption Spectrometry- William H. Rowbottom