Vol. 47 No. 8

August, 1998

Review

Semi-Microcolumn High-Performance Liquid Chromatography

Osamu Shirota and Yutaka Ohtsu 465

Original Papers

A Rapid Alkyl Homologue Distribution Analysis of Ionic Surfactants by Two-Dimensional HPLC

Hideo Noguchi, Shigeaki Matsutani, Shoichi Tanaka, Yasunobu Horiguchi and Toshiyuki Hobo 473

Simultaneous Determination of Pesticides in Particulate Matter in River Water

Akiko Tanabe, Hideko Mitobe, Kuniaki Kawata and Masaaki Sakai 481

Rapid Decomposition and Analysis of Refractory Cerium(IV) Oxide and Cerium Compounds by Fusion with Ammonium Hydrogen Sulfate

Ken Matsumoto and Mayumi Kitagawa 491

Flow Optical Sensing for Trace Copper Ion Using a Poly(vinyl chloride) Membrane Containing Bathocuproine as a Detection Port

Kazuyuki Nara and Takashi Saito 497

Evaluation of Sea-Salt Origin Pollutants in Precipitation at Akita Using Constrained Oblique Rotational Factor Analysis

Nobuaki Ogawa, Ryoei Kikuchi, Hiroshi Goto, Masahiro Kajikawa and Toru Ozeki 503

Technical Papers

Highly Sensitive Graphite-Furnace AAS of Lead Using a Miniature-Membrane Concentration/Dissolution Method

Mitsuko Oshima, Takashi Ohsaki and Shoji Motomizu 513

Notes

Enantioresolution of Amino Acids Doping Carbobenzoxy-L-Aspartic Acids with Polypyrrole Colloid

Zhidong Chen, Takahiro Kiyonaga and Tsutomu Nagaoka 519

Technical Letters

International Comparison on the Determination of (p,p'-Dichlorodiphenyl) Dichloroethylene by Isotope Dilution Mass Spectrometry

Toshihide Ihara, Akiko Takatsu and Akira Nomura 523

Digest of Doctoral Dissertation

Development of Separation and Quantification Methods for Organic Compounds Using Supercritical Fluids

Takashi Yarita 529

Studies on Permselectivity at the Phase Boundary of Ion-Selective Liquid Membranes by Optical Phenomena as Probes for Phase-Boundary Potentials

Shinji Yoshiyagawa 531

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