BUNSEKI KAGAKU

Vol. 58 No. 8

August, 2009

Table of Contents

Research Papers
Determination of Perfluorinated Compounds in Human Milk and Evaluation of Their Transition from Maternal Plasma
Ayako Nakata, Koichi Saito, Yusuke Iwasaki, Rie Ito, Reiko Kishi and Hiroyuki Nakazawa 653
Determination of Psychotropic Drugs by Gas Chromatography/Mass Spectrometry with Dispersive Liquid-Liquid Microextraction
Ayako Kohiyama, Masako Sato and Tsuyoshi Kaneko 661
Measurement of the Moisture Vaporization Enthalpy in Hair with Portable Near Infrared Spectrometer
Maiko Takeyama, Ryoei Kikuchi, Masanori Kumagai, Toshio Amano, Toru Ozeki, Kazuhiko Fujiwara and Nobuaki Ogawa 667
Spectrophotometric Determination of Nitrite Ion with Pyrogallol Red–Molybdenum(VI) Complex
Chiho Ikeda, Ryosuke Nakahara, Yuka Nishioka, Hisashi Kurokawa, Takako Yamaguchi and Yoshikazu Fujita 675
Spectrophotometric Determination of Titanium(IV) with Calcones Contained in a Japanese Herb, “Ashitaba”
Aki Harada, Sayaka Ito, Kimiye Baba, Toshiki Koda, Tomoki Suizu, Mihoyo Fujitake, Takako Yamaguchi and Yoshikazu Fujita 681
Selective Determination of Traces of Gold(III) Based on Fluorescence Quenching of Perylene in Micelles
Yusuke Hara, Tohru Saitoh, Hideaki Kasukabe and Masataka Hiraide 687
Speciation Analysis for Chromium(III) and Chromium(VI) after Micro Solvent Extraction with in situ Extractant Formation Method
Tetsuya Akutsu, Tokuo Shimizu and Nobuo Uehara 693
Multi-Element Determination for Green Tea Leaves and Their Extractants by ICP-AES with Online Concentration
Hua Jin, Akhmad Sabarudin, Mitsuko Oshima and Shoji Motomizu 699
Characteristics of Concentrations and Chemical Forms of Trace Elements in Deep Seawater near Kume Island in Okinawa Prefecture Studied by Multielement Profiling Analysis
Teruo Arakaki, Teruyuki Ishigaki, Mami Yamaguchi and Akihide Itoh 707
Technical Papers
Spectrophotometric Determination of Famotidine and Its Related Compounds in Pharmaceutical Preparations Using o-Carboxyphenylfluorone –Palladium(II) Complex
Rie Isono, Hisashi Kurokawa, Naoko Suzaki, Mayu Tomida, Shinya Kadi, Takako Yamaguchi and Yoshikazu Fujita 715
Evaluation of a Reduction Rate of Nitrate in Continuous Flow Analysis
Chikako Kato and Akiharu Hioki 723
Notes
Structural Analysis of Condensed Tannins in Hydrothermal Extracts from Wasted Bark by Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry
Akira Maki, Kenichiro Ogimoto, Yasuyuki Ishida, Hajime Ohtani, Tatsuya Hasegawa, Kuniyuki Kitagawa, Yoko Homma and Atsunori Inai 731
Anionic Surfactant-Based Extraction of Polycyclic Aromatic Hydrocarbons from Sediment
Toshio Igarashi, Tohru Saitoh and Masataka Hiraide 737
Fluorometric Determination of Resorcinols with 2,4-Dihydroxybenzoylbenzoic Acid
Yuriko Matsumura, Yuuki Kitani, Ryosuke Nakahara, Shinichiro Kamino, Takao Kato, Yusuke Kashiwada, Takako Yamaguchi and Yoshikazu Fujita 743
Direct Potentiometry of Polyacrylate with Solid-Membrane Cadmium Ion-Selective Electrode
Takanori Ichikawa, Takashi Yasui, Kazutake Takada and Akio Yuchi 749
High Enzyme-Adsorptive Activity of a Cup-Stacked Carbon Nanotube and Its Application to Flow-Injection Analysis
Tatsuo Noda, Tadao Ukai and Toshio Yao 753
Spectrophotometric Determination of Iodide Ion Based on the Color Fading Reaction of the Ion Association Complex of Adenin Silver(I) Ion and Eosin
Yuka Nishioka, Yoshimitsu Nakagawa, Ryosuke Nakahara, Chiho Ikeda, Yuka Horio, Takako Yamaguchi and Yoshikazu Fujita 757
Visual Determination of Trace Zinc(II) by Reverse Phased TLC with Tetrakis(4-carboxyphenyl)porphine
Takako Fujita, Sachie Murotsuki, Saori Tsuchiya, Hitoshi Mizuguchi, Hiroshi Katagiri and Junichi Shida 761
Removal of Borate-Boron from Aqueous Solution Using Its Adsorption to Silica Gel
Kosuke Tanifuji, Yasushi Seike and Minoru Okumura 767
Preparation of Calibration Curves for the Direct Determination of Trace Level of Zinc in High Purity Iron and Steel Samples by Graphite Furnace Atomic Absorption Spectrometry Using Solid Sampling Technique
Shinya Tsushima, Shingo Yamaoka, Junling Bai, Hirotsugu Minami, Nobuo Takahashi, Sadanobu Inoue and Ikuo Atsuya 771