英语词汇“gallein”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	gallein
释义	gallein enUK gallein (ˈɡælɪɪn) n (Chemistry) chem a brown or green dye, used to colour textiles and as a pH indicator gallein enUK gallein [′gal·ē·ən] (organic chemistry) C₂₀H₁₀O₇ A brown powder or green scales, broken down by heat; used as a pH indicator in the analysis of phosphates in urine and as an intermediate in the manufacture of dyes. Also known as anthracene violet; gallin; pyrogallolphthalein. gallein enUK gal·le·in (gal'ē-in), Structurally related to fluorescein and used as an aniline dye indicator, turning rose red above pH 6.6, yellowish brown below pH 4. Synonym(s): pyrogallolphthalein
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gallein