BUNSEKI KAGAKU

Vol. 57 No. 8

August, 2008

Table of Contents

Research Papers
Extraction Behavior of Zinc(II) with β-Diketone and Schiff Base, and the Effects of Zinc(II) on Extraction and Fluorescence of Tris(β-diketonato)europium(III)
Sayaka Tamaki, Yuichi Ito, Masayuki Inoue, Hirofumi Yajima and Yuko Hasegawa 585
Solvent Extraction of Nickel(II) Using Ionic Liquid Containing 2-Pyridinealdoxime
Kengo Kozaka, Kaoru Fujinaga, Junji Noro, Yujiro Watanabe and Yu Komatsu 593
A Simple Determination of Inorganic and Organic Phosphorus Compounds in Environmental Water Based on Their Collection and Separation Using Zirconium-Loaded Activated Carbon
Akiko Inoue, Yasushi Seike and Minoru Okumura 599
Development of Formaldehyde Standard Gas Generator Based on Gravitational Dispensing-Vaporization and Its Application to Breath Formaldehyde Determination
Minoru Ueda, Norio Teshima and Tadao Sakai 605
Accumulation Voltammetry for 17β-Estradiol Using Hydrophobic Cationic Surfactant and Glassy Carbon Electrode Modified with Multi-Walled Carbon Nanotube Dispersed Nafion Membrane
Saori Sekiyama, Hideki Kuramitz, Noriko Hata and Shigeru Taguchi 613
Addition Effect of Ionic Liquid to Neutral-Carrier-Type Lithium-Ion Sensing Membranes
Ryosuke Ooue, Syusuke Oosaki, Setsuko Yajima and Keiichi Kimura 619
AC Impedance Analysis of Enzyme-Functional Electrodes
Tsunetoshi Samukawa, Seiya Tsujimura and Kenji Kano 625
HPLC Determination of Medium-Chain Fatty Acids in Human Plasma and Their Relationship with Homocysteine Concentration
Chikako Sonobe, Mayumi Nakamura, Mitsuhiro Wada and Kenichiro Nakashima 631
Technical Papers
Determination of Urinary Protein with o-Sulfophenylfluorone-Niobium(V) Complex
Yurina Masui, Haruna Sakai, Yurie Kawakami, Shinichiro Kamino, Takako Yamaguchi and Yoshikazu Fujita 637
Determination of Thiamine and Related Compounds by Membrane Filter Collection with Erythrosin and Palladium(II)
Keiko Tanaka, Yuka Nishioka, Yumi Kouzai, Takako Yamaguchi and Yoshikazu Fujita 643
Application of Ion-Exclusion/Cation-Exchange Chromatography to Water Quality Monitoring of Sub-Urban River
Daisuke Kozaki, Ryozo Goto, Wakako Masuda, Daisuke Saito, Nobutake Nakatani, Nobukazu Nakagoshi, Masanobu Mori and Kazuhiko Tanaka 651
Multielemental Determination of Trace Elements in Sewage Sludge by Inductively Coupled Plasma Mass Spectrometry and Inductively Coupled Plasma Atomic Emission Spectrometry
Shinsuke Akatsuki, Ryoji Yamanouchi, Yumi Nakamoto, Koji Yoshizumi, Mitsuharu Ogaki, Tomoki Yabutani, Yukako Hayashi and Junko Motonaka 659
Notes
Spectrophotometric Determination of Free Radicals and Reactive Oxygen Species with N,N-Dimethyl-p-phenylendiamine
Koshi Kubo, Kensuke Arai and Yoshihiro Yoshimura 667
Cyclic Flow Injection Analysis for Heavy Metal Ions Using Xylenol Orange
Masumi Yumoto, Shoto Yamashita, Takashi Yokoyama and Michio Zenki 673
Atomization Mechanisms of Gold Dispersed on Pyrolytic Graphite Surface in Graphite Furnace Atomic Absorption Spectrometry
Kazushi Nakamura, Masami Tayama and Shoji Imai 677
α-Hydroxycarboxylate Selectivity by Spontaneous Formation of Dimeric Dialkyltin(IV) Complexes in Membrane of Anion-Selective Electrode
Takashi Suzuki, Shinpei Kani and Akio Yuchi 683
Analytical Reports
Oxidation of Amino Acids and Aminocarboxylic Acids to Nitrate with Peroxodisulfate
Yu Sakakibara and Shinkichi Yamada 687