Non disponible en dehors du Royaume-Uni et de l'Irlande
Application
Thymolphthalein was suitable as indicator during titration of hyamine hydroxide.
General description
Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.
Ce produit répond aux critères suivants: