`BUNSEKI KAGAKU' 2004. 12

BUNSEKI KAGAKU

Vol. 53 No. 12

December, 2004

Accounts

Development of Marine Environmental Observation Platform Deployed on Ferryboats, and Observation of Marine Pollution with Hazardous Chemicals in Coastal Region of Japan

Masayuki Kunugi, Kazuo Fujimori, Takeshi Nakano and Akira Harashima 1375

Precise Measurements of the Atmospheric O₂/N₂ Ratio by Gas Chromatographic Method

Yasunori Tohjima 1389

Research Papers

Source Identification of Polychlorinated Naphthalenes, Dioxins and Related Compounds in Pine Needles from Tokyo Bay, Japan and Poland

Nobuyasu Hanari, Anna Orlikowska, Ilona Bochentin, Barbara Wyrzykowska, Jerzy Falandysz, Yuichi Horii, Sachi Taniyasu, Tsuyoshi Okazawa and Nobuyoshi Yamashita 1399

Distribution of Chemical Elements and Chemical States of Sulfur on Kosa Particles Fallen in Asian Industrialized Cities

Teruo Tanabe, Yo'ichi Tanaka, Daisaku Tanaka, Yuji Taniguchi, Masatoshi Toyoda, Jun Kawai, Hideshi Ishii, Chenlin Riu, Yibulayin Yilixiati, Shinjiro Hayakawa, Yoshinori Kitajima and Yasuko Terada 1411

Analysis of the Historical Trend of Heavy Metal-Pollution Recorded in the Pond Sediment Core at Oki Islands on the Japan Sea Coast

Hideo Yamazaki, Shusaku Yoshikawa and Shinya Inano 1419

Monitoring of Long-Distance Transportation of Pollutants in Precipitation in Coastal Areas Facing the Japan Sea, Japan (2000-2001) and the Grouping of Ions in Pollutants by Principal Component Analysis

Toru Ozeki, Toshihiro Ihara, Toshinobu Okada, Ryoei Kikuchi and Nobuaki Ogawa 1427

Multielement Determination of Trace Metals in Scallop Tissue Samples

Motoko Tamaru, Tomoki Yabutani and Junko Motonaka 1435

On-Line Monitoring Method of PCBs by Laser Ionization Dynamic Trapping Time of Flight Mass Spectrometry

Shinsaku Dobashi, Yoshihiro Deguchi, Norihiro Fukuda, Masaharu Kira, Ryuichiro Tanaka, Yoshinori Izawa and Takahiro Kubota 1441

Detection of Explosive-Related Compounds with a Chemiluminescent Enzyme Immunosensor

Takatoshi Sakai, Daikichi Kitahara, Akira Torimaru and Kiyoshi Matsumoto 1449

Determination of Total Nitrogen in Seawater by Spectrophotometric/PLS Regression Method in UV Region and Ion Chromatographic Method after Oxidative Digestion with Potassium Peroxodisulfate in Alkaline Medium

Gou Hashida, Yukio Yokoyama and Hisakuni Sato 1455