B U N S E K I K A G A K U

Vol. 50 No. 3

March, 2001

Table of Contents

Research Papers

Determination of Fluorine, Chlorine, Bromine and Iodine by a Barrier DischargeRadiofrequency Helium Plasma

Nobuhisa Watanabe, Wolfgang Buscher and Goeter Boehm 163

Analyses of ¹-H, ¹³C- and ¹¹⁹Sn-NMR Spectra of n-Butyl(1-indenyl)tin(IV) Compounds

Naoto Wada, Ryuichi Yoshida, Kazuhiko Oinuma and Chikakiyo Nagata 169

Technical Papers

Determination of Trace Amounts of Elements in High-Purity Iron by ICP-MS after Ion Chromatographic Separation Using the Cumulated Bed of Cation- and Anion-Exchange Resin

Kyoko Fujimoto and Makoto Shimura 175

Estimate of the Flash-Point of Petroleum Using a Multivariate Analysis

Syuji Okuyama and Toshiyuki Mitsui 183

Selective Determination of Inorganic and Organic Arsenic in High Salts Wastewaterby Graphite-Furnace AAS after Lanthanum Hydroxide Coprecipitationand Reductive Distillation

Yasuto Kashiwagi, Etsuo Kokufuta and Yuhiko Yamashita 187

Determination of a Trace Amount of Beryllium in a Water Sample by Graphite-Furnace AAS after Preconcentration with Xylenol Orange and Capriquat-Loaded Silica Gel

Takashi Goto, Hiroki Tange and Masayoshi Yasuda 193

Classification of Magnetic Record Media by Non-Destructive Methods Along witha Multivariate Analysis

Minemasa Hida and Toshiyuki Mitsui 197

Determination of Boron in River-Water by ICP-AES Coupled with Anion-ExchangePreconcentration

Nobutaka Yoshikuni, Yutaka Seki, Kenji Iwatsubo and Koichi Oguma 203

Notes

Distribution Analysis of Functional Groups in Silicone by On-Line Size ExclusionChromatography/NMR

Keiko Fukumoto and Motoyasu Sugiura 209

Technical Letters

Chemical Characterization of Stream Water on the Tibetan Plateau

Toshitada Fujita, Yoshifumi Sogi, Tetsuo Yoshikawa, Tomohiro Nishio,Hiroshi Tsuno, Muneoki Yoh, Yukiko Dokiya and Atsushi Numaguchi 213

Digest of Doctoral Dissertation

Characterization of Functional Polymers by Temperature-Programmed AnalyticalPyrolysis Techniques

Hiroaki Sato 219

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