BUNSEKI KAGAKU

Vol. 59 No. 1

January, 2010

Table of Contents

Accounts
In situ Diagnostics of Water in Polymer Electrolyte Fuel Cells for Water Transport Analysis
Shohji Tsushima and Shuichiro Hirai 1
Research Papers
Hydrogen Bonding of Water in Aqueous Alcohol Solution : Spectral Analyses by an Extended Concept of Molar Absorption Coefficient
Akifumi Ikehata 13

Research Papers
Determination of Trace Elements in PM2.5 Using Energy-Dispersive X-Ray Fluorescence Spectrometer with Three Dimensional-Polarization Optics
Shuhei Yonezawa, Akiko Hokura, Kenji Matsuda, Takeshi Kimoto and Izumi Nakai 23
Influence of Reagent Concentration and Reaction Rate on Colorimetry of Nitrite Ion by Saltman Method
Tomoaki Inoue 35
Determination of Trace Amounts of Arsenic, Bismuth, Antimony and Tin in Low Alloy Steel by Inductively Coupled Plasma Optical Emission Spectrometry after Separation by Co-Precipitation with Manganese(IV) Oxide
Toshiko Itagaki, Tetsuya Ashino, Kunio Takada and Kazuaki Wagatsuma 43
Characterization of Sonochemical Reactors by an Electrochemiluminescent Probe
Jiye Jin, Hiroaki Kumeta, Fumiki Takahashi and Yasutada Suzuki 51
Analytical Reports
Interlaboratory Comparison for Boron Isotope Ratio Measurement with Inductively Coupled Plasma–Quadrupole Mass Spectrometer
Hirotaka Kawamura, Yoshio Sato, Kenichiro Kino, Yoshifumi Watanabe, Yamato Aizawa, Masakazu Matsuura, Koji Hashida, Tosiaki Hamaguchi, Kenjiro Yamaguchi, Tadashi Ichimaru, Daisuke Akutagawa, Tohru Nambu, Ryuji Umehara and Takayuki Mizuno 57
Evaluation of Detection Performance of Portable Aspiration-Type Ion Mobility Spectrometer with Seven Detection Cells for Chemical Warfare Agents
Shintaro Kishi, Ryoji Sekioka, Manabu Sodeyama, Masao Shiga and Yasuo Seto 65