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How to prepare phenolphthalein solution for pH testing?

Jul 3,2026

Phenolphthalein is a kind of pH indicator. Before using, 0.1 g in 100 mL Ethanol (96%). Between pH 8.2~9.8, its color turns from colorless to red-violet.

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    Phenolphthalein manufacturers

    • Phenolphthalein
    • 77-09-8 Phenolphthalein
    • 2026-07-03
    • CAS:77-09-8
    • Min. Order: 1KG
    • Purity: 98%min
    • Supply Ability: 30tons/month
    • Phenolphthalein
    • 77-09-8 Phenolphthalein
    • 2026-07-02
    • CAS:77-09-8
    • Min. Order: 2Kg/Bag
    • Purity: 0.99
    • Supply Ability: 20 tons

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