BUNSEKI KAGAKU

Vol. 61 No. 2

February, 2012

Table of Contents

Annual Topic “Fire” : Research Papers
Analysis of Polycyclic Aromatic Hydrocarbons in Oil-mist Emitted from Food Grilling
Nobuyuki TANAKA, Kayako OHTAKE, Masaharu TSUZAKI and Akane MIYAZAKI 77

Annual Topic “Earth” : Accounts
Hydrodynamic and Electrokinetic Properties of Colloidal Complexes Determined by Brownian Motion Analysis and Electrophoresis
Azusa KOBAYASHI, Yasuyuki KUSAKA and Yasuhisa ADACHI 87
Annual Topic “Earth” : Research Papers
Presumption of the Source of Lead Contaminated Soil by Isotope Analysis with Sequential Extraction
Yasuhisa OHKAWA, Syah Putra RUDY, Naoya FUJIWARA, Kazuo JIN and Shunitz TANAKA 95

Research Papers
On-site Catalytic Determination of Trace Chromium(VI) in Fresh Water Using o-Phenylenediamine – Hydrogen Peroxide Reaction
Junpei SHINDO, Susumu KAWAKUBO, Takashi YAMANOI and Yasutada SUZUKI 103
Enantiomeric Determination of α-Lipoic Acid in Dietary Supplements by Liquid Chromatography/Mass Spectrometry
Yoshiyuki KOBAYASHI, Koichi SAITO, Yusuke IWASAKI, Rie ITO and Hiroyuki NAKAZAWA 109
Spectrophotometric Determination of Residual Chlorine in Tap Water Using Alternative Simultaneous Injection/Effective Mixing Analysis System
Shima ANDO, Norio TESHIMA, Tadao SAKAI and Shoji MOTOMIZU 115
Notes
Elimination of Interferences in the Mercury(II) Determination with a Dithizone Nanofiber-coated Test Strip Based on Filtration – Enrichment
Yukiko TAKAHASHI 123
Analytical Reports
Determination of Brilliant Blue FCF in the Environmental Water by Liquid Chromatography/Mass Spectrometry with Solid Phase Extraction Method
Kazuhisa SUGAYA 127