BUNSEKI KAGAKU

Vol. 57 No. 1

January, 2008

Table of Contents

Accounts
Development of High-Performance Liquid Chromatograph/IT-TOF Mass Spectrometer
Junichi Taniguchi and Eizoh Kawatoh 1
Research Papers
Electrochemical Corrosion of Pt Electrode in Concentrated Sulfuric Acid
Yu Kuwahara, Fumihiro Kodera, So Takizawa, Akira Nakazawa and Minoru Umeda 15
Determination of Trace Levels of Hydroxyhydroquinone in Coffee by High-Performance Liquid Chromatography
Makoto Ozaki, Ayano Naoe, Hisashi Tsujimura, Tatsuya Kusaura, Kouki Hozumi, Naoki Kondou and Yoshinori Masukawa 23
Highly Precise Determination of Silica in Silicate by Alkali Fusion/Coagulation Gravimetric Method
Mitsuyoshi Watanabe and Satoko Otsuki 31
Technical Papers
Simultaneous Analysis of Common Inorganic Species in Seawater Samples by Ion-Exclusion/Cation-Exchange Chromatography
Masanobu Mori, Tatsuya Satori, Tomotaka Iwata, Hideyuki Itabashi and Kazuhiko Tanaka 35
Chemical-State-Selective Mapping at Nanometer Scale Using Synchrotron Radiation and Photoelectron Emission Microscopy
Norie Hirao, Yuji Baba, Tetsuhiro Sekiguchi, Iwao Shimoyama and Mitsunori Honda 41
Notes
Investigation of Drying Conditions for High-Purity Sodium Carbonate
Toshiaki Asakai, Tatsunori Ogura, Mariko Murayama and Tatsuhiko Tanaka 49
Field Stabilization for High-Resolution Solid State NMR Magnet with External Field-Lock
Hideyuki Shinagawa, Teruaki Fujito, Shinobu Ohki and Tadashi Shimizu 55
Development of Laser Pulse Sampled DC Voltammetry and Its Application to the Determination of Glucose
Masanari Shinkai, Seijiro Wakiura and Teruo Hinoue 61
Reduction of Memory Effect in Shave-off Depth Profiling
Masashi Nojima, Makiko Fujii, Yasuhiro Ishizaki, Masanori Owari and Yoshimasa Nihei 67