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Bromthymol Blue

Bromthymol Blue

posted this at Jun 9, 2025 Updated at Jul 27, 2023

Recipe

Aqueous version

Add 0.1g Bromthymol blue into 16ml of 0.01N NaOH

Mix in a mortar or small tube

Dilute to 250ml with distilled water

Use 5 drops in 10ml of test solution

Alcohol version

Add 0.5g of Bromthymol blue into 500ml of 95% ethanol and dissolve

Add 500ml of distilled water

Filter and store at room temperature

Categories: Protocols

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