Vol. 4 9 No. 2

February, 2 0 0 0

Review

Design and Function of Metal-Ion Probes Based on Photosignal Transduction (Review)

Akiyo Yamauchi and Takashi Hayashita 75

Research Papers

Highly Sensitive Determination of Trace Rare-Earth Elements in Ultra Pure Rare-Earth Compounds by Combining ICP-MS with HPLC and Electrothermal Vaporization

Haizhou Wu, Noriyuki Watanabe, Ryoichi Tsukahara, Takao Itoh, Yohichi Gohshi and Masanori Owari 91

Determination of Trace Moisture in Gases by Diode-Laser Multi-Pass Absorption Spectroscopy

Shang-Qian Wu, Tetsuya Kimishima, Hiroshi Masusaki, Hiroaki Kuze and Nobuo Takeuchi 99

Basic Characteristics in the Determination of Cadmium by Metastable Transfer Emission Spectroscopy with a Tungsten Coil Atomizer

Tetsuya Sato, Misa Kato, Katsunori Kimijima, Masaki Okuyama and Kiyoshi Chiba 105

Distributions of Elements into Natural Salt from Coastal Seawater in a Natural-Salt Preparation Process

Shan Ji, Tomoki Yabutani, Akihide Itoh, Koichi Chiba and Hiroki Haraguchi 111

Technical Papers

Closed-Loop Flow-Injection Analysis for the Determination of a Strong Acid and Base Using an Acetate Buffer Solution and Methyl Orange

Michio Zenki, Yoshihiko Nakakita, Aika Komatsu and Takashi Yokoyama 121

Notes

Electrothermal Vaporization Using a Tungsten Filament Followed by ICP-MS for the Determination of Arsenic in Microsamples

Tomokazu Tanaka, Kenji Furuhashi, Daisuke Matsuo and Masataka Hiraide 125

Digest of Doctroral Dissertation

Development of Novel Chiral Stationary Phases Derived from 18C6H₄ and a Mobile-Phase Additive Used in Crownpak CR(+) for the Enantiomer Separation of Hydrophobic Amino Compounds

Yoshio Machida 129

Study of Standard Sample Preparation for Total Reflection X-ray Fluorescence Spectrometry and of Its Application to High-Accuracy Analysis

Yoshihiro Mori 131

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