BUNSEKI KAGAKU

Vol. 52 No. 7

July, 2003

Table of Contents

Accounts

Ion Sensors Based on Ion-Selective Adsorption and Desorption Processes at Inorganic Materials/Solution Interfaces

Yukinori Tani and Yoshio Umezawa 491

Research Papers

Study of Thermal Decomposition at a GC Injector in an Analysis of PBDDs/PBDFs by High-Resolution GC/MS

Jun Onodera, Yoshihisa Ueda, Jae-Won Choi, Shunji Hashimoto, Noriyuki Suzuki, Masatoshi Morita and Hisakuni Sato 505

Determination of Tellurium and Arsenic in Crude Oils by Oxyhydrogen-Combustion/Iron(III) Coprecipitation/Graphite Furnace AAS

Yoshikazu Nakamoto, Naohiro Iwatani and Koji Matusaki 513

Simplified Analytical Method for Organophosphorus Pesticide in Air Using Adsorbent Filled Tube and Solvent Extraction by Ultrasonic Wave

Junko Kawahara and Yukio Yanagisawa 519

Technical Papers

Determination of Minor Constituents in Silicates by an Acid Digestion/Flow Injection Method

Hiroe Iida, Tetsuo Uchida, Akio Yuchi, Miwa Konishi, Satomi Ito and Hirofumi Isoyama 527

Determination of Trace Elements in High-Purity Aluminum by Solid-Phase Extraction/ICP-MS

Shin-ichi Hasegawa, Hitoshi Yamaguchi, Shinji Itoh, Kunikazu Ide and Takeshi Kobayashi 533

Notes

Flow-Injection Analysis of Iron in Tap Water Using Its Catalytic Effect on the Oxidation of an Azo Compound

Kunihiro Watanabe, Takashi Watanabe and Masayuki Itagaki 539

Retention Property of Silica Gel Bonded with Triacontyl Groups as a Packing Material for GC

Tatsuro Nakagama, Ayumi Shibata, Katsumi Uchiyama, Toshiyuki Hobo and Tsuneaki Maeda 545

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