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

Vol. 51 No. 10

October, 2002

Table of Contents

Research Papers

Enantiomer separation and complexation equilibrium of dansyl-D,L-amino acids with β-cyclodextrin in capillary electrophoresis

Gaku Ishiguro and Hisanori Imura 871

Determination of nitrite and nitrate ions by ion-pair chromatography with C₃₀ as a stationary phase

Noboru Hiraki, Akinori Isozaki and Hisomu Nagashima 877

Two-dimensional micro-beam imaging of trace elements in a single plankton measured by a synchrotron radiation X-ray fluorescence analysis

Masako Ezoe, Miho Sasaki, Akiko Hokura, Izumi Nakai, Yasuko Terada, Tatsuki Yoshinaga, Katsumi Tukamoto and Atsushi Hagiwara 883

Determination of manganese, iron, copper and zinc in hard tissues of shellfish by solvent extraction/ICP-AES

Hiroaki Fukui and Osamu Fujino 891

Technical Paper

Qualitative and quantitative analysis of principal ingredient in tablets by near infrared spectroscopy

Akimitsu Ishihara and Hiroshi Nakamura 899

Notes

Clock reaction behavior in the oxidation polymerization of aniline hydrochloride by the peroxydisulfuric acid in a strong magnetic field

Satoru Mizuki, Kazuhiro Honda, Yoshihito Mori, Akira Sato and Seiichiro Nakabayashi 907

Electrochemical detection of charged peptides immobilized on a gold electrode surface

Hiroyuki Wada, Hiroyuki Ueyama, Michinori Waki, Shigeori Takenaka and Makoto Takagi 911

Rsearch Papers

Adsorption and desorption of detergent components onto an electrode-separated piezoelectric quartz crystal coated with and without collagen

Tomoko Serizawa, Shanhu Bao and Toshiaki Nomura 915

Determination of cationic and nonionic surfactants using LC/MS

Yuta Miyamae, Tsuyoshi Matsumoto, Kenichi Yoshizawa and Junko Tsuchiya 921

ESR and spectrophotometric studies on radicals derived from hydrogen peroxide in the metal-catalyzed decomposition of azo compounds

Kunihiro Watanabe, Kiwamu Noda and Masayuki Itagaki 929

Improved spectroscopic characteristics of helium inductively coupled plasma by hydrogen additive

Hidekazu Miyahara, Hironobu Yabuta, Yasushi Hayashi, Eiki Hotta and Akitoshi Okino 937

Cluster compositions at the surface of ethanol aqueous solution studied by liquid ionization mass spectrometry

Masahiko Tsuchiya, Yasuo Shida, Kenichi Kobayashi, Mitsumasa Tajima and Shoichi Okouchi 943

Notes

Determination of free hydroxyproline and proline in serum by HPLC with electrogenerated chemiluminescence detection using tris(2,2'-bipyridine)ruthenium(II)

Kazuo Uchikura, Kunio Sakurada, Kou Tezuka and Katsuya Koike 953

Analysis of organotin compounds in seawater using GC/pulsed flame photometric detection

Masako Kawarai, Toshihiro Shirasaki and Kazuko Mizuishi 959

Amperometric determination of fructosamine in serum using fructosyl amino acid oxidase and proteinase K

Hideaki Kinoshita 965

Concentration of phthalate esters by polymer-mediated extraction

Tohru Saitoh, Yuki Yoshida and Chiyo Matsubara 969

Technical Papers

Collaborative analysis of GSJ geochemical reference materials JCu-1 (Copper ore) and JZn-1 (Zinc ore)

Takashi Okai, Shigeru Terashima and Noboru Imai 973

Purity of commercial morin products and their spectrophotometric characterisation

Etsuro Yoshimura, Zu Dong Liu, Hicham Khodr and Robert C. Hider 979

Quantitative analysis of several kinds of Ir-Al alloys by ICP-OES

Yuetsu Danzaki 983

Digest of Doctoral Dissertation

Study on a highly sensitive determination of toxic metals in waste water with high matrix contents using coprecipitation separation techniques

Yasuto Kashiwagi 989

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