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

Vol. 47 No. 1

January, 1998

Table of Contents


Original Papers

Simultaneous Determination of the Base Number and Acid Number in

Polyester Polymer for Paints by the PLS1 Method in

Near-Infrared Transmission Spectroscopy

Jun KOSHOUBU, Yusei OHKUBO and Tetsuo IWATA 3

Separation and Determination of Copper and Zinc by Ion-Exchange

Chromatography Using 10-(2-Pyridylazo)-9-phenanthrol

as Postcolumn Derivatization Reagent

Shin-ichiro OKAWA and Tosimi ISHIKAWA 9

Structural Characterization of a Potent Vasodilatory Recombinant Peptide

by a Multiple Mass Spectrometric Approach Including

LC/ Electrospray Ionization MS

Seiichi YOSHIDA, Masahiro TAJIMA and Tasuku TAKAMATSU 17

Proposal of Substoichiometric Analysis with Two Labelling Techniques and

Its Application to Yttrium Determination in High-Critical-Temperature-

Superconducting Oxides and in Rubidium Carbonate

Tosio SHIGEMATSU 25

Multielement Determination of Suspended Particulate Matter by an X-ray

Fluorescence Analysis and an Analytical Accuracy Investigation

Hitoshi ANDO, Yasuaki INOUE and Sizuo SATOH 31

Forensic Examination of Red and Blue Pen Inks by HPLC and

Capillary Electrophoresis

Kazuhiro TSUTSUMI and Kazuya OHGA 39


Technical Papers

Determination of Intermetallic Compounds and Solid Solutions in Aluminium

Alloys Using ICP-AES After Chemical Isolation with Phenol

Kazuhiko KURUSU, Kouichi TUYUKI, Satoshi SUZUKI, Ryou SHOUZI and Toshimi YAMAMOTO 49

Determination of Coumarin in Kerosene and A Fuel Oil by Multivariate

Analysis

Toshiyuki MITSUI, Minemasa HIDA and Shuji OKUYAMA 55


Notes

Determination of Trace Gallium in Serum by ICP-MS with a Cobalt

Internal Standard Method

 Manabu OKAZAKI, Hideji TANAKA, Tohru ETO,Michio MATSUBARA and Kensaku OKAMOTO 59

Analysis of Volatile Chlorinated Hydrocarbons by GC with a Gas-Phase

Electrolytic Conductivity Detector

Ikuo WATANABE, Ichirou TAKEZAWA and Hirosi TAGO 63


Instructions to Authors

69



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