To prepare a solution for use as pH indicator, dissolve 0.10 g in 8.0 cm³ N/50 (0.02 Normal) NaOH and dilute with water to 250 cm³. To prepare a solution for use as indicator in volumetric work, dissolve 0.1 g in 100 cm³ of 50% (v/v) ethanol.

Uses

Bromothymol blue may be used for observing photosynthetic activities, or as a respiratory indicator (turns

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