| 单词 | phenol red |
| 释义 | > as lemmasphenol red phenol red n. a red crystalline solid, C19H14O5S, which is used as a pH indicator in the range 6.7 (yellow) to 8.3 (red), and in medicine is given intravenously as a test of kidney function; = phenolsulphonphthalein n. ΘΚΠ the world > matter > chemistry > chemical tests > indicators > [noun] > pH indicators phenolphthalein1875 phenolsulphonphthalein1898 phenol red1916 nitramine1922 1916 Jrnl. Washington Acad. Sci. 6 488 Phenol red and cresol red are undoubtedly the most reliable indicators of the series. 1956 L. E. H. Whitby & M. Hynes Med. Bacteriol. (ed. 6) xi. 151 Collect the supernatant fluid, add a drop of phenol red solution, neutralize with N NaOH, and centrifuge. 1990 T. G. Wreghitt & P. Morgan-Capner ELISA in Clin. Microbiol. Lab. xv. 193 The FH strain of M pneumoniae is initially grown in 8ml of a modified Hayflick's broth containing 1% glucose with phenol red as indicator. < as lemmas |
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