Swimming Pool & Spa
THYMOLPHTHALEIN INDICATOR SOLUTION
Product code RXSOL-60-6605-733
THYMOLPHTHALEIN INDICATOR SOLUTION
Description
Thymolphthalein is used in disappearing ink, to make color-change bubbles, and as a pH indicator. It has an inky blue color and readily changes to its colorless form from exposure to air or carbon dioxide from breath.
Application
Application
Thymolphthalein is a phthalein dye used as an acid–base (pH) indicator. Its transition range is around pH 9.3–10.5. Below this pH, it is colorless; above, it is blue.