Phenolphthaleins
WebDas Phenolphthalein entfärbt sich und die entstehende Carbonsäure, die nicht mehr wasserlöslich ist, trübt die Lösung. Übung: Suchen Sie die Strukturformel von … Webdas Phenolphthalein; Genitiv: des Phenolphthaleins. → Zur Deklinationstabelle des Substantivs Phenolphthalein. ⓘ. ↑.
Phenolphthaleins
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Web10. nov 1998 · Phenolphthalein-modified β-CD, 1, was synthesized for the purpose of developing a new type of guest-responsive color change indicator. The pH titration curve of 1 depends on its concentration, suggesting that 1 exists not only as an self-inclusion form but also as an association form at a concentration of 10-4 M in neutral aqueous solution. … WebThe meaning of PHENOLPHTHALEIN is a white or yellowish-white crystalline compound C20H14O4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative.
WebPhenolphthalein, the active ingredient in many laxatives, was recently found to be a carcinogen in animal models. Human data suggest a laxative-colon cancer association, … Web10. mar 2024 · phenolphthalein ( countable and uncountable, plural phenolphthaleins ) ( chemistry, pharmacology) A white or yellowish -white crystalline compound C 20 H 14 O …
WebSynonyms for phenolphthalein in Free Thesaurus. Antonyms for phenolphthalein. 2 words related to phenolphthalein: laxative, acid-base indicator. What are synonyms for phenolphthalein? WebOther examples of substances of particular public interest about which NTP provided critical research findings include AZT (azidothymidine) and a number of drug combinations used to prevent mother-to-child transmission of HIV (human immunodeficiency virus); fluoride; polychlorinated biphenyls; hexavalent chromium; acrylamide; silicone fluid used in breast …
WebIn response to this finding the metabolism and disposition of PHTH has been evaluated in both F344 rats and B6C3F1 mice at a single oral dose of 800 mg/kg. This dose fell within the range previously found to be carcinogenic in rats and mice. Studies were also performed using 1 and 50 mg/kg doses. At 800 mg/kg recovery of [14C]PHTH after 72 h ...
WebPhenolphthaleins Accession Number DBCAT001620 Description. A family of 3,3-bis(p-hydroxyphenyl)phthalides. They are used as CATHARTICS, indicators, and COLORING AGENTS. Drugs. Drug Drug Description; Phenolphthalein: A drug used for symptomatic relief of constipation and bowel cleansing prior to medical procedures. synchronic changeWeb10. mar 2024 · phenolphthalein ( countable and uncountable, plural phenolphthaleins ) ( chemistry, pharmacology) A white or yellowish -white crystalline compound C 20 H 14 O 4 used in medicine as a laxative and in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids. thailande tourisme sexuelWebPhenolphthaleins synonyms, Phenolphthaleins pronunciation, Phenolphthaleins translation, English dictionary definition of Phenolphthaleins. n. A white or pale yellow crystalline powder, C20H14O4, used as an acid-base indicator, in making dyes, and formerly in medicine as an over-the-counter... thaïlande tourisme dangerWebPhenolphthaleins* Protein Binding Salicylates / metabolism* Serum Albumin, Bovine / metabolism* Spectrophotometry Staining and Labeling* Substances Aminobenzoates Aminosalicylic Acids ... synchronic cardWebThe therapeutic response and side effect profile of the different doses favoured 30 mg phenolphthalein as the optimum laxative dose. Although theoretically superior, phenolphthalein glucuronide was not found to be a more effective laxative compared to phenolphthalein in normal subjects. synchronic change in languageWebphenolphthalein (countable かつ uncountable, 複数形 phenolphthaleins) (chemistry, pharmacology) A white or yellowish-white crystalline compound C 20 H 14 O 4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative. thailande tourisme 2022WebPhenolphthalein, the active ingredient in many laxatives, was recently found to be a carcinogen in animal models. Human data suggest a laxative-colon cancer association, but few data specifically address the effects of phenolthalein-containing laxatives. We examined use of phenolphtalein-containing … synchronic cuevana