释义 |
neutral red
neutral red[′nü·trəl ′red] (organic chemistry) (CH3)2NC6H3N2C6H2CH3NH2·ClH Water- and alcohol-soluble green powder; used as pH 6.8-8.0 acid-base indicator, and as a dye to test stomach function. Also known as dimethyl diaminophenazine chloride; toluylene red. neutral red
neu·tral red (nū'trăl red), [C.I. 50040] Used as an indicator (red at pH 6.8, yellow at 8), as a vital dye to stain granules and vacuoles in living cells, in testing the secretion of acid by the stomach (given with a test meal), and in general histologic staining. Synonym(s): toluylene redAcronymsSeeNR |