Івано-Франківський Завод Тонкого Органічного Синтезу
Ивано-Франковский завод тонкого органического синтеза
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Application filed by Івано-Франківський Завод Тонкого Органічного Синтезу, Ивано-Франковский завод тонкого органического синтезаfiledCriticalІвано-Франківський Завод Тонкого Органічного Синтезу
Priority to UA4818273ApriorityCriticalpatent/UA19197A/en
Publication of UA19197ApublicationCriticalpatent/UA19197A/en
A method for isolation of anion dyes by addition of sodium chloride to reaction mass at 8-60°C and pH 2-6.2 followed by filtration and drying. Sodium chloride is used in mixture with sodium sulphate, sodium sulphite and sodium nitrate.
UA4818273A1990-01-231990-01-23A method for isolation of anion dyes
UA19197A
(en)
Purification of reaction mixture produced on manufacturing 2,3-epoxypropyltrialkylammonium chloride by treating chlorohydroxypropyltrialkylammonium chloride with alkali functional substance in aqueous medium