B U N S E K I K A G A K U

Vol. 50 No. 6

June, 2001

Special Articles: Analytical Chemistry represented by "super" and "ultra"

Table of Contents

Accounts

Supramolecular Function of Fluorescent Probe/Cyclodextrin Complex Sensors

in Water Takashi Hayashita, Akiyo Yamauchi, Ayako Kato, Ai-Jun Tong, Bradley D. Smith and Norio Teramae 355

Development of a Multi-Elemental Determination of Ultratrace Metals in Seawater

Yoshiki Sohrin, Yukiyo Fujishima, Ayako Chiba and Tsunemi Ishita 369

Determination of Ultratrace Amounts of Elements in Ultra-High-Purity Iron, Steel, Iron-Chromium Alloy and Other Alloys by Spectrochemical Analysis after Chemical Separation

Kunio Takada, Tetsuya Ashino and Toshiko Itagaki 383

Research Papers

Determination of the Ultratrace Metallic Impurities Distribution in Silicon Wafers by Sub-Area Chemical Etching/Microflow Neblizer-ICP-MS

Miyuki Takenaka, Yuji Yamada, Motonaka Yabuki, Shinichi Nakamura and Shoji Kozuka 399

Polar-Angle Dependence of X-ray Fluorescence Intensity from a Pd Single Crystal

Singo Harada, Takashi Suzuki, Tethuro Sugimura, Jun Kawai, Shinji Omori and Yoshimasa Nihei 405

Studies of Sample Cleaning for the Determination of Ultratrace Amounts of Carbon in High-Purity Iron by Infrared Absorption after Combustion

Tetsuya Ashino, Kunio Takada, Masaoki Oku and Kazuaki Wagatsuma 411

Determination of Rare Earth Elements in Industrial Waste Incineration Fly Ash

by ICP-MS and the Characteristics of the Rare Earth Element Distribution Pattern Seiko Iwata, Kazuaki Minamoto, Eiji Fujimori, Koichi Chiba and Hiroki Haraguchi 419

Determination of Ultratrace Arsenic and Selenium by Electrothermal Vaporizationin a Torch Followed by ICP-MS

Tomokazu Tanaka, Kenji Furuhashi, Yoshio Hirooka and Masataka Hiraide 427

Simultaneous Determinations of Cu, Cd and Pb in River-Water Samples by Multielement Isotope Dilution/ICP-MS with the Aid of Chelating Resin Preconcentration

Hiroshi Yamada, Shan Ji, Akihide Itoh, Koichi Chiba and Hiroki Haraguchi 433

Local Analysis of Trace Elements and Lead Isotope Ratios in Bark and Bark Pockets by Laser Ablation/ICP-MS

Reiko Idegawa, Masaki Ohata, Naoki Furuta and Kenichi Satake 441

Highly Sensitive Method for the Separation of Enantiomeric 2-Hydroxy Fatty Acids by HPLC with Fluorescence Detection

Yutaka Itabashi, Tomohisa Shoda, Koji Yamazaki and Hiroaki Okabe 447

Technical Papers

Determination of Ultratrace Phosphorus and Titanium on Silicon Wafer Surface by High Resolution ICP-MS

YujiYamada, TetsuyaTachibe, AyakoShimazaki, MiyukiTakenaka and ShojiKozuka 453

Evaluation of the Barrier Heights of a Metal-Complex Adsorbed Gold Surface by Measuring the Ultra-Low-Distance Dependence of the Tunnel Current

Masahiro Takahashi, Ichiro Sakata and Kazuo Miyamura 459

Simple Analytical Method to Understand the Reason Why Many Trees Stand Dead

Teiko Omori and Yuzo Yoshiike 465

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