About The Word Phthalein
Learn about the word Phthalein to help solve your crossword puzzle. Discover Phthalein definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Phthalein
| Phthalein Definition And Meaning |
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What's The Definition Of Phthalein?Synonyms | Synonyms for Phthalein: Related Terms | Find terms related to Phthalein: See Also | Phthalein In Webster's Dictionary \Phthal"e*in\, n. [See {Phthalic}.] (Chem.)
One of a series of artificial organic dyes made as
condensation products of the phenols with phthalic acid, and
well represented by phenol phthale["i]n. Their alkaline
solutions are fluorescent.
{Phenol phthalein}, a white or yellowish white crystalline
substance made from phthalic acid and phenol. Its solution
in alkalies is brilliant red, but is decolorized by acids,
and as this reaction is exceedingly delicate it is used as
an indicator.
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