Chromatographic behaviour of 2-(2-pyridy
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Chizuko Ohtsuka; Kimiyo Matsuzawa; Hiroko Wada; Genkichi Nakagawa
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Article
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1991
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Elsevier Science
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English
⚖ 594 KB
The reversed-phase liquid chromatography cf Cu\*+, Cd+, Ni'+, Fe2+ and Zn" chelates with 2-(3,5-dibromo-2pyridylazo)J-[ N-ethyl-N-(3-sulphopropyl)amino]phenol (35diBr-PAESPAP) and 2-(S-bromo-2-pyridylazo)-5-t N-propyl-N-(3-sulphopropyI)amino]phenol (S-Br-PAPS) was investigated on several cohunns pac