JASPE2 8(8j 61 N-66N 1053-1 122 337R-405R 9 9 ) Typeset by Burgess Thames View Abingdon Oxfordshire December 1993 Printed in Great Britain by Journal of Analytical Atomic Spectrometry Including Atomic Spectrometry Updates CONTENTS NEWS AND VIEWS 61 N Obituary-David A Hickman 61 N Reconstruction of Boris L'vov's Electrothermal Atomizer-Judith Egan-Shuttler 61 N Gordon Kirkbright Bursary 62N Book Review-Adam McMahon 63N Diary of Conferences and Courses 65N Future Issues PAPERS 1053 1059 1067 1075 1085 1091 1097 1103 1109 1113 1117 1121 Determination of Ultratrace Levels of Heavy Metals in Arctic Snow by Electro- thermal Vaporization Inductively Coupled Plasma Mass Spectrometry-Ralph E Sturgeon Scott N Willie James Zheng Akira Kudo D Conrad Gregoire Determination of Palladium and Platinum in Fresh Waters by Inductively Coupled Plasma Mass Spectrometry and Activated Charcoal Preconcentration-Gwendy E M Hall J C.Pelchat Determination of Selenium in Marine Certified Reference Materials by Hydride Generation Inductively Coupled Plasma Mass Spectrometry-Hiroaki Tao Joseph W H Lam James W McLaren Arsenic Speciation in Seafood Samples With Emphasis on Minor Constituents an tnvestigation Using High-performance Liquid Chromatography With Detection by Inductively Coupled Plasma Mass Spectrometry-Erik H Larsen Gunnar Pritzl Steen Honore Hansen Speciation of Arsenic by Ion Chromatography and Off -line Hydride Generation Electrothermal Atomic Absorption Spectrometry-Han Heng-bin Liu Yan-bing Mou Shi-fen Ni Zhe-mmg Electrothermal Vaporization for Sample Introduction in Microwave-induced Plasma Atomic Absorption Spectrometry-Ytxiang Duan Xingyou Li Qinhan Jin Improvement in Mercury Cold Vapour Atomic Techniques by Resorting to Organized Assemblies and On-line Membrane Drying of Vapour-B Aizpun Fernandez M R Fernandez de la Campa Alfred0 Sanz-Medel Improvement in Detection Limits in Graphite Furnace Diode Laser Atomic Absorption Spectrometry by Wavelength Modulation Technique.Plenary Lecture-Christoph Schnurer-Patschan Aleksandr Zybin Henning Groll Kay Niemax Preliminary Study on the Use of Palladium as a Chemical Modifier for the Determination of Silicon by Electrothermal Atomic Absorption Spectrometry-Zhixra Zhuang Pengyuan Yang Xiaoru Wang Zhiwei Deng Benli Huang Effect of Aqueous Organic Solvents on the Determination of Trace Elements by Flame Atomic Absorption Spectrometry and Inductively Coupled Plasma Atomic Emission Spectrometry-M Todorovic S Vidovic.Z IIIC Indirect Flame Atomic Absorption Spectrometric Determination of Papaverine Strychnine and Cocaine by Continuous Precipitation With Dragendorff's Reagent-Marceltna Eisman Mercedes Gallego Miguel Valcarcel CUMULATIVE AUTVOR INDEX ATOMIC SPECTROMETRY 337R Industrial Analysis Metals Chemicals and Advanced Materials-John Marshall UPDATE John Carroll James S. Crighton Charles L. R. Barnard 377R References continued on inside back cover 0267-9477C199318:l-YJASPE2 8(8j 61 N-66N 1053-1 122 337R-405R 9 9 ) Typeset by Burgess Thames View Abingdon Oxfordshire December 1993 Printed in Great Britain by Journal of Analytical Atomic Spectrometry Including Atomic Spectrometry Updates CONTENTS NEWS AND VIEWS 61 N Obituary-David A Hickman 61 N Reconstruction of Boris L'vov's Electrothermal Atomizer-Judith Egan-Shuttler 61 N Gordon Kirkbright Bursary 62N Book Review-Adam McMahon 63N Diary of Conferences and Courses 65N Future Issues PAPERS 1053 1059 1067 1075 1085 1091 1097 1103 1109 1113 1117 1121 Determination of Ultratrace Levels of Heavy Metals in Arctic Snow by Electro- thermal Vaporization Inductively Coupled Plasma Mass Spectrometry-Ralph E Sturgeon Scott N Willie James Zheng Akira Kudo D Conrad Gregoire Determination of Palladium and Platinum in Fresh Waters by Inductively Coupled Plasma Mass Spectrometry and Activated Charcoal Preconcentration-Gwendy E M Hall J C.Pelchat Determination of Selenium in Marine Certified Reference Materials by Hydride Generation Inductively Coupled Plasma Mass Spectrometry-Hiroaki Tao Joseph W H Lam James W McLaren Arsenic Speciation in Seafood Samples With Emphasis on Minor Constituents an tnvestigation Using High-performance Liquid Chromatography With Detection by Inductively Coupled Plasma Mass Spectrometry-Erik H Larsen Gunnar Pritzl Steen Honore Hansen Speciation of Arsenic by Ion Chromatography and Off -line Hydride Generation Electrothermal Atomic Absorption Spectrometry-Han Heng-bin Liu Yan-bing Mou Shi-fen Ni Zhe-mmg Electrothermal Vaporization for Sample Introduction in Microwave-induced Plasma Atomic Absorption Spectrometry-Ytxiang Duan Xingyou Li Qinhan Jin Improvement in Mercury Cold Vapour Atomic Techniques by Resorting to Organized Assemblies and On-line Membrane Drying of Vapour-B Aizpun Fernandez M R Fernandez de la Campa Alfred0 Sanz-Medel Improvement in Detection Limits in Graphite Furnace Diode Laser Atomic Absorption Spectrometry by Wavelength Modulation Technique.Plenary Lecture-Christoph Schnurer-Patschan Aleksandr Zybin Henning Groll Kay Niemax Preliminary Study on the Use of Palladium as a Chemical Modifier for the Determination of Silicon by Electrothermal Atomic Absorption Spectrometry-Zhixra Zhuang Pengyuan Yang Xiaoru Wang Zhiwei Deng Benli Huang Effect of Aqueous Organic Solvents on the Determination of Trace Elements by Flame Atomic Absorption Spectrometry and Inductively Coupled Plasma Atomic Emission Spectrometry-M Todorovic S Vidovic. Z IIIC Indirect Flame Atomic Absorption Spectrometric Determination of Papaverine Strychnine and Cocaine by Continuous Precipitation With Dragendorff's Reagent-Marceltna Eisman Mercedes Gallego Miguel Valcarcel CUMULATIVE AUTVOR INDEX ATOMIC SPECTROMETRY 337R Industrial Analysis Metals Chemicals and Advanced Materials-John Marshall UPDATE John Carroll James S. Crighton Charles L. R. Barnard 377R References continued on inside back cover 0267-9477C199318:l-Y