Kazuichi Hayakawa
University of Tokyo
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Publication
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Eisei kagaku | 1994
Kazuichi Hayakawa; Atsushi Yamamoto; Motoichi Miyazaki
Ion chromatography (IC), which was introduced in 1975, has become widely used for the sensitive and simultaneous determination of ions. In the early stage, the IC system consisted of two ion-exchange columns (separator and suppressor, respectively) and a conductivity detector. Although this combination is still the most popular, new forms of separation and suppression have been developed. On the other hand, an indirect photometric detection using a UV detector has become popular in IC and other detectors commonly used in HPLC also have been used. Each of them has specific advantages for different types of analyses. Thus, IC is now defined as a form of liquid chromatography of ions. This article reviews new developments of the different forms of IC and their applications, especially to environmental samples, foods, biological materials and drugs, from reports published since 1990.
Chemical & Pharmaceutical Bulletin | 1977
Kazuichi Hayakawa; Toshio Imanari; Zenzo Tamura; Shigetoshi Kuroda; Hisao Ikeda; Jun Tateishi
Eisei kagaku | 1991
Nariaki Takayama; Kazuichi Hayakawa; Hiroshi Kobayashi; Motoichi Miyazaki
Chemical & Pharmaceutical Bulletin | 1975
Chingtan Chen; Kazuichi Hayakawa; Toshio Imanari; Zenzo Tamura
Eisei kagaku | 1995
Kazuichi Hayakawa; Tsuyoshi Murahashi; Motoichi Miyazaki
Japanese Journal of Pharmacology | 1976
Issei Takayanagi; Kazuichi Hayakawa; Yasufumi Terawaki; Zenzo Tamura; Keijiro Takagi
Chemical & Pharmaceutical Bulletin | 1976
Kazuichi Hayakawa; Chingtan Chen; Toshio Imanari; Zenzo Tamura
Archive | 2011
Takayuki Kameda; Ayuko Akiyama; Morio Yoshita; Chihiro Tachikawa; Akira Toriba; Ning Tang; Kazuichi Hayakawa
大気環境学会年会講演要旨集 | 2009
Ning Tang; Kousuke Sato; Takayuki Kameda; Akira Toriba; Kazuichi Hayakawa
金沢大学大学院自然科学研究科環境科学専攻紀要 = Memoirs of Division of Environmental Science and Engineering, Graduate School of Natural Science and Technology, Kanazawa University | 2006
Akira Toriba; Kazuichi Hayakawa
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National Institute of Advanced Industrial Science and Technology
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