Thymol blue (thymolsulphonephthalein) is a brownish-green or reddish-brown crystalline powder that is used as a pH indicator. It is insoluble in water but soluble in alcohol and dilute alkali solutions. {pH_indicator|indicator_name=Thymol blue|low_pH=8.0|high_pH=9.6|low_pH_color=yellow|high_pH_color=blue} {pH_indicator|indicator_name=Thymol blue|l...
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http://en.wikipedia.org/wiki/Thymol_blue
A dye used as an acid-base indicator, with a pK value at 1.7 and another at 8.9; red at pH values below 1.2, yellow between 2.8 and 8.0, and blue above 9.6. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
Type: Term Definitions: 1. a dye used as an acid-base indicator, with a pK value at 1.7 and another at 8.9; red at pH values below 1.2, yellow between 2.8 and 8, and blue above 9.6.
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http://www.medilexicon.com/medicaldictionary.php?t=91946
No exact match found.
