Phenolphthalein: Indicator Solution (1% in 70% alcohol)

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body { font-family: Arial, Helvetica, sans-serif; font-size: 11pt; } Phenolphthalein, indicator solution, 1% in 70% alcohol. Used to determine the end point in acid titrations for titrable acidity. With some red wines color interference makes it difficult to see the end point. A pH meter can be used to find the end point (pH8.1). Show more