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What is Phenolphthalein Indicator Properties about?

Phenolphthalein indicator is a white to yellowish white powder with a molecular mass of 318.32 g/mol and density of 1.296 g/cm3. It has an absorption maximum of 551-554 nm when dissolved in an ethanol solution and tested in a pH 9.8 buffer. The indicator transitions from almost colorless to red-violet between pH 8.2 and 9.8.

Author

Rino Sutrisno

Language

EN