420 JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY SEPTEMBER 199 1 VOL. 6 Future Issues will Include- Direct Determination of Copper and Iron in Edible Oils Using Flow Injec- tion Flame Atomic Absorption Spec- trometry-V. Carbonell A. R. Maurc A. Salvador and Miguel de la Guardia Interference of Copper Silver and Gold in the Determination of Selenium by Hydride Generation Atomic Fluo- rescence Spectrometry an Approach to the Studies of Transition Metal Inter- ferences-Alessandro D’Ulivo Leo- nardo Lampugani and Roberto Zamboni Accuracy of Multi-element Analysis of Human Tissue Obtained at Autopsy Using Inductively Coupled Plasma Mass Spectrometry-Thomas D. B. Lyon G. S. Fell Keith McKay and Roger D. Scott Study of Internal Standardization for Analysis of Powdered Samples Using a Theta Pinch Discharge-Zuwei Wang and Alexander Scheeline Influence of Solvent Physical Prop- erties on Drop Size Distribution Transport and Sensitivity in Flame Atomic Absorption Spectrometry With Pneumatic Nebulization-Juan Mora Vicente Hernandis and Antonio Canals Electrothermal Vaporization Sample Introduction System for the Analysis of Pelletized Solids by Inductively Coupled Plasma .4tomic Emission Spectrometry-V.Karanassios J. M. Ren and Eric D. Salin Laser Ablation in a Liquid Medium as a Technique for Solid Sampling- Yasuo Iida Akira Tsuge Yoshinori Uwamino Hisashi Morikawa and Toshio Ishizuka Preliminary Investigations of a Helium Alternating Current Plasma for the Determination of Metals by Atomic Emission Spectrometry-Luis A. Colon and Eugene F. Barry Atomic Spectrometry Update The Update in the October issue is- Inorganic Mass Spectrometry and X- ray Fluorescence-Jeffrey R. Bacon Andrew T. Ellis and John G. Williams