resorcinolphthalein

resorcinolphthalein
noun
a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
Topics: ↑solution
Hypernyms: ↑dye, ↑dyestuff, ↑absorption indicator
Hyponyms: ↑eosin, ↑bromeosin

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/ri zawr"seuh nawl thal"een, -ee in, -fthal"-, -nol-, rez awr"-/, n. Chem.
fluorescein.
[RESORCINOL + PHTHALEIN]

Useful english dictionary. 2012.

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Look at other dictionaries:

  • resorcinolphthalein — /ri zawr seuh nawl thal een, ee in, fthal , nol , rez awr /, n. Chem. fluorescein. [RESORCINOL + PHTHALEIN] * * * …   Universalium

  • resorcinolphthalein — noun Fluorescein …   Wiktionary

  • resorcinolphthalein — SYN: fluorescein. r. sodium SYN: fluorescein sodium …   Medical dictionary

  • fluorescein — /floo res ee in, flaw , floh /, n. Chem. an orange red, crystalline, water insoluble solid, C20H12O5, that in alkaline solutions produces an orange color and an intense green fluorescence: used to trace subterranean waters and in dyes. Also,… …   Universalium

  • fluorescein — An orange red crystalline powder that yields a bright green fluorescence in solution, and is reduced to fluorescin; a nontoxic, water soluble indicator used diagnostically to trace water flow. SYN: resorcinol phthalic anhydride …   Medical dictionary

  • C20H12O5 — fluorescein fluo res ce*in, fluoresceine fluo res ce*ine, fluorescein flu o*res ce*[ i]n, n. (Chem.) A yellowish red, crystalline substance, {C20H12O5}, produced by heating together phthalic anhydride and resorcin; so called, from the very… …   The Collaborative International Dictionary of English

  • fluorescein — fluo res ce*in, fluoresceine fluo res ce*ine, fluorescein flu o*res ce*[ i]n, n. (Chem.) A yellowish red, crystalline substance, {C20H12O5}, produced by heating together phthalic anhydride and resorcin; so called, from the very brilliant… …   The Collaborative International Dictionary of English

  • fluorescein — fluo res ce*in, fluoresceine fluo res ce*ine, fluorescein flu o*res ce*[ i]n, n. (Chem.) A yellowish red, crystalline substance, {C20H12O5}, produced by heating together phthalic anhydride and resorcin; so called, from the very brilliant… …   The Collaborative International Dictionary of English

  • fluoresceine — fluorescein fluo res ce*in, fluoresceine fluo res ce*ine, fluorescein flu o*res ce*[ i]n, n. (Chem.) A yellowish red, crystalline substance, {C20H12O5}, produced by heating together phthalic anhydride and resorcin; so called, from the very… …   The Collaborative International Dictionary of English

  • uranin — fluorescein fluo res ce*in, fluoresceine fluo res ce*ine, fluorescein flu o*res ce*[ i]n, n. (Chem.) A yellowish red, crystalline substance, {C20H12O5}, produced by heating together phthalic anhydride and resorcin; so called, from the very… …   The Collaborative International Dictionary of English

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