in vivo metabolismPhenolphthalein is a color indicator used in acid/base titration. It has also been used as a laxative, but its over-the-counter uses had been withdrawn because of toxicological concerns over carcinogenicity. The metabolism of [ 14 C]-phenolphthalein was investigated in F344 ...
百里酚酞Thymolphthalein; Thymo 酚酞片Phenolphthalein Tablets 麝香草酚酞Thymolphthalein 双语例句 1. Acid calibration potassium hydroxide, to phenolphthalein as indicator. 二甲酸氢钾标定, 以酚酞为指示剂。 —— 给力词典精选 2. Examples are litmus and phenolphthalein. ...
Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" 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. ...
When dissolved in alcohol solution, it can be made of acid and alkali indicator. It is colorless in acid solution while exhibiting red color in the carbonate solution of alkali metal. However, if placed in the concentrated alkali solution, it will produce colorless tri-metal Salt so that the...
a-(p-Hydroxyphenyl)-a-(4-oxo-2,5-cyclohexadien-1-ylidine)-o-toluic Acid Chocolax Colax Evac-Q-Kit Evac-Q-Kwik Evac-Q-Tabs Evac-U-Gen Evac-V-Lax Ex-Lax Feen-A-Mint Laxative Mints Fenolftalein [Czech] Fenolftaleina [Spanish] [INN] MFCD00005913 [MDL number] Phenolphtaleine...
Noun1.phenolphthalein- a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8 ...
AI解释 词组搭配 英语例句库 英语百科 中文百科 近义、反义、联想词 英语维基词典 全文检索 英汉-汉英词典 n.酚酞 近义、反义、联想词 近义词 n. laxative,acid-base indicator 联想词 reagent ;hydroxide 化物;acetone丙酮;pH酸碱度符号;solubility溶度,溶性,可解决性,可解释性,溶解性;aqueous水的,水般的;amm...
美音[fi:nɔ:l'fθæli:n] ; 名词 酚酞 英语解释 a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8 ...
n.a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8 学习怎么用 ...
Phenolphthalein is crystal powder and almost insoluble in water.It is colorless in acidic and neutral solutions and purplish red in alkaline solutions. It is often used to detect acid and alkali. In addition, the main uses of phenolphthalein are as follows: (1) Pharmace...