Phthalin - перевод на немецкий
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Phthalin - перевод на немецкий

COLOURED PH INDICATOR USED AT HIGH PH
Phenol phthalein; Phenol Phthalein; Phenolpthalein; Phenolthalein; Phenylthaline; Phenolthalene; Phenolthaline; Phenylthalene; Phynolthalene; Phynolthaline; Phenolphthaleins; Phthenolphthalein; Phenylpthalein; Phenolphtalein; Phenolphthalien; Phenolphthalene; Phenolthalin; Phenylphthalein; Phenolphlalein; ATC code A06AB04; ATCvet code QA06AB04; Agoral; Chocolax; Doxan; Doxidan; Espotabs; Euchessina; Evac-q-kit; Evac-q-kwik; Evac-q-tabs; Evac-u-gen; Evac-v-lax; Feen-a-mint gum; Femilax; Lax-pills; Laxcaps; Laxin; Laxogen; Medilax; Modane plus; Phenolax; Phillips gelcaps; Phthalimetten; Phthalin; Prulet; Purgophen; Spulmako-lax; Trilax; Phenolphthalen; Dioxytriphenyl carbinol carboxylic acid anhydride; Dioxytriphenylphthalide
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Phthalin      
n. phthalin, chemical compound used in the production of dyes (Chemistry)
phthalin      
n. Phthalin (organische Verbindungen)
phthalic      
adj. von Phthalin (chemische Verbindung)

Определение

Phthalin
·noun A colorless crystalline substance obtained by reduction from phthalein, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type.

Википедия

Phenolphthalein

Phenolphthalein ( feh-NOL(F)-thə-leen) is a chemical compound with the formula C20H14O4 and is often written as "HIn", "HPh", "phph" or simply "Ph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes.

Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments. It is a weak acid, which can lose H+ ions in solution. The nonionized phenolphthalein molecule is colorless and the double deprotonated phenolphthalein ion is fuchsia. Further loss of proton in higher pH occurs slowly and leads to a colorless form. Phenolphthalein ion in concentrated sulfuric acid is orange red due to sulfonation.