bromthymol blue

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Related to bromothymol blue: methyl orange, phenolphthalein

bromthymol blue

[¦brōm′thī‚mȯl ′blü]
(organic chemistry)
An acid-base indicator in the pH range 6.0 to 7.6; color change is yellow to blue.
References in periodicals archive ?
Identification of Cryptococcus gattii by use of L-canavanine glycine bromothymol blue medium and DNA sequencing.
For both catalysts (fresh CaO and activated CaO),the bromothymol blue indicator and the phenolphthalein indicator showed fast color change to their respective conjugated bases, while the 2,4--dinitroaniline did not show color change.
Put a few drops of the cabbage juice indicator or Bromothymol blue into each student's cup.
Ten milligram methyl red (MR) and 30 mg bromothymol blue (BTR) were dissolved in 15 mL of 95% (v/v) ethanol, then brought to a final volume of 20 mL by adding 5 mL of distilled water.
Six native diazotrophic bacterial isolates isolates (ABA-1, ABA-10, ABA-14, ABA-2010, ACG-2 and ASA-1) and four reference strains (MTCC-446 and MTCC-124 (Azotobacter chroococcum), MTCC-1226 (Acetobacter diazotrophicus) and MTCC-2306(Azospirillum lipofarum) grown in respective nitrogen free media viz, Burk's medium for Azotobacter, diluted cane juice semi solid medium for Acetobacter and NFB (Nitrogen Free Bromothymol blue medium) for Azospirillum (Cavalcant and Dobereiner, 1988) (Table-1).