Lectionary Calendar
Sunday, September 22nd, 2024
the Week of Proper 20 / Ordinary 25
the Week of Proper 20 / Ordinary 25
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Bible Dictionaries
Phenol Phthalein
Webster's Dictionary
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A white or yellowish white crystalline substance, C20H14O4, formed by condensation of the anhydride of phthalic acid and phenol. Its solution in alkalies is brilliant red, but is decolorized by acids. This reaction, being very delicate, is used as an indicator.
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Text Courtesy of BibleSupport.com. Used by Permission.
These files are public domain.
Text Courtesy of BibleSupport.com. Used by Permission.
Bibliography Information
Webster, Noah. Entry for 'Phenol Phthalein'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/p/phenol-phthalein.html. 1828.
Webster, Noah. Entry for 'Phenol Phthalein'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/p/phenol-phthalein.html. 1828.
