About TSYGANOV A R
About Izvestiya Vysshikh Uchebnykh Zavedenij. Khimiya i Khimicheskaya Tekhnologiya
About acid dye
About toluene
About Dyes
About Aromatic monocyclic hydroxylamines,hydrazines and other compounds
About Aromatic monocyclic phenols and polyphenols
About Extraction
About 酸性染料
About 陰イオン交換