20N JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY MARCH 1994 VOL. 9 Future Issues will include- Atomic Absorption Another Way for Phase Transition Characterization- Walter Serge and Andre Hatterer Theoretical Calculation of the Standard Deviation and Detection Limit in Induc- tively Coupled Plasma Emission Spec- trometry-Evgeniy D. Prudnikov Jaap W. Elgersma and Henri C. Smit Determination of Total Mercury in Scalp Hair of Humans by Gold Amalgamation Cold Vapour Atomic Absorption Spec- trometry-Carlos G. Bruhn Calibration in Flame Atomic Absorption Spectrometry Using a Single Standard and a Gradient Technique-Ignacio Lopez Garcia Pilar Vinas and Manuel Hernandez Cordoba Determination of Inorganic Arsenic in Seafood Products by Microwave-assisted Distillation and Atomic Absorption Spectrometry-Jose C.Lopez Carmen Reija R. Montoro Maria Luisa Cervera and Miguel De La Guardia Spectral Interference on the Lead 283.3 nm line in Zeeman-effect Atomic Absorption Spectrometry-U. Kurfurst and J. Pauwels Determination of Arsenic Chromium Selenium and Vanadium in Biological Samples by Inductively Coupled Plasma Mass Spectrometry Using On-line Elimination Interference and Pre- concentration by Flow Injection-Les Ebdon Andrew S. Fisher and Paul J. Worsfold Inductively Coupled Plasma Mass Spec- trometric Determination of Low-level Rare Earth Elements in Rocks Using Potassium-based Fluxes for Sample Decomposition-Alessandro Rivoldini and Sandro Fadda Direct Determination of Metals in Oils by Inductively Coupled Plasma Atomic Emission Spectrometry Using High Temperature Nebulization-Johann L.Fischer and C. J. Rademeyer Reduction of Matrix Effects and Mass Discrimination in Inductively Complex Plasma Mass Spectrometry with Optim- ized Argon-Nitrogen Plasmas-Diane Beauchemin and Grace Xiao Gas-phase Re-distribution of Analyte Species in the Integrated Contact Cuvette Furnace Atomization Plasma Emission Spectrometry Source-Shoji Imai and Ralph E. Sturgeon Speciation and Preconcentration of Trace Elements With Immobilized Algae for Atomic Absorption Spectrophoto- metric Detection-Hayat A. M. Elmahadi and Gillian M. Greenway Choice of Fluorescence Wavelengths for the Determination of Trace Amounts of Chlorine by Graphite Furnace Laser- excited Molecular Fluorescence Spec- trometry of Indium Monochloride- Evelyn G. Su and Robert G. Michel Determination of Silver by Electrother- mal Atomic Absorption Spectrometry After Complexation and Sorption on Carbon-A. K. Avila and A. J. Curtius Capacitively Coupled Plasma with Tip- ring Electrode Geometry for Atomic Emission Spectrometry. Analytical Performance and Matrix Effect of Sodium Chloride and Potassium Chlor- ide-Emil A. Cordos Sorin D. Anghel Tiberiu Frentiu and Andrian Popescu