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Laboratory Protocols & SOPs Library

Bromthymol Blue

· Published 2023. 7. 27. · Updated 2025. 6. 9.

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: Laboratory Protocols & SOPs Library

Da — when not otherwise indicated, molecular weight units are daltons. Mw — weight-average molecular weight. Mn — number-average molecular weight.

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Cite this article

Aladdin Scientific. "Bromthymol Blue" Aladdin Knowledge Base, updated 2025. 6. 9.. https://www.aladdinsci.com/us_ko/faqs/bromthymol-blue-en.html

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