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Phenolphthalein Indicator Solution is a chemical frequently used to determine the endpoint in acid-base titrations. Operating at a pH between 8.2 and 10.0, this solution remains colorless in acidic environments but turns a distinct pink color when moved to basic environments.
This property allows for precise determination of the endpoint, particularly in the titration of weak acids with strong bases. It is an important tool in laboratory studies and quality control processes.
Product Properties
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Chemical Formula: C₂₀H₁₄O₄ (Phenolphthalein)
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Appearance: Colorless liquid (in acidic medium) / Pink (in basic medium)
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Concentration: 1% Phenolphthalein solution (in an alcoholic vehicle)
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Volume: 50 mL (250 mL and 1000 mL options are also available)
Usage Areas
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Acid-Base Titrations: Used in endpoint determinations.
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Educational Laboratories: Ideal for pH determination and chemistry experiments.
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Chemical Analyses: Used in quality control processes and analytical laboratories.
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Visual Indicator: Provides rapid visual results in solutions with a pH range of 8.2–10.0.
Recommended Test Kits and Solutions for Universities and Educational Institutions
A common indicator used for acid-base titrations.
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