colour indicator

Also contains definitions of: one-colour indicator, two-colour indicator
https://doi.org/10.1351/goldbook.C01180
An indicator which is classified as one- or two-colour, depending on whether it is colourless on one side of the transition interval or possesses a different colour on each side of this range.
Source:
Orange Book, 2nd ed., p. 48 [Terms] [Book]
Citation: 'colour indicator' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01180 RIS BibTex EndNote
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Last revised: February 24, 2014