BUNSEKI KAGAKU

Vol. 59 No. 10

October, 2010

Table of Contents

Research Papers
Simple Spectrophotometric Determination of Trace Amounts of Zinc in Environmental Water Samples Using Aqueous Biphasic Extraction
Masami Shibukawa, Daisuke Shirota, Shingo Saito, Shin Nagasawa, Kazunori Saitoh and Hiroaki Minamisawa 847
Technical Papers
Rapid Analytical Method of Water Samples for High Fish Toxicity Pesticides with GC/MS and LC/MS/MS
Tatsuo Yoshida and Toshiaki Tobino 855
Research Papers
Determination of Trace Elements in Coffee Beans by XRF Spectrometer Equipped with Polarization Optics and Its Application to Identification of Their Production Area
Takao Akamine, Akiko Otaka, Akiko Hokura, Yuji Ito and Izumi Nakai 863
Spectrophotometric Determination of Heparin and Its Related Compounds with o-Carboxyphenylfluorone-Iron(III) Complex
Toshiki Kouda, Saeko Tamaki, Kanako Miyachi, Kenzou Moriyama, Shigefumi Morimoto, Takako Yamaguchi and Yoshikazu Fujita 873
Technical Papers
Simultaneous Determination of Nitrite, Nitrate, and Ammonium Ions in Lake and River-Water Samples by Ion Chromatography
Masahito Tanaka, Hideto Ohguni, Katsuhiko Adachi, Tomoaki Tsumura, Takeshi Hirokawa and Kazuaki Ito 879
Accounts
Development of Colorimetric Reagents and Easy Monitoring Devices for the Selective Detection of Formaldehyde and Their Practical Uses
Yoshio Suzuki, Takahiro Fujikawa, Nobuo Nakano, Yasuhiro Terauchi and Koji Suzuki 885
Magnetic Susceptibility Measurement of Single Micro-Particle by Magnetophoretic Velocimetry
Masayori Suwa and Hitoshi Watarai 895
Research Papers
Evaluation of ABS Resin Disk Certified Reference Materials for Heavy Metal Analysis by X-ray Fluorescence Analysis
Masaki Ohata, Toshihiro Kidokoro, Masayasu Kurahashi and Akiharu Hioki 903
Atomic Absorption Spectrometry in High Absorbance Region Utilizing Wavelength-Variable Laser
Tomoharu Ishida and Takanori Akiyoshi 911
Analytical Reports
Determination of Phenolic Compounds in Waste Water by 4-Aminoantipyrine Spectrophotometry after Methyl Benzoate Extraction
Emi Morita and Eiko Nakamura 917
Quantitative Analysis of Amorphous Contents in Photocatalytic Titania Powders
Satoru Kawase, Ken-ichi Sugimoto, Rise Fujiwara and Satomi Ono 921