Thymol blue

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

Thymol blue (thymolsulfonephthalein) 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.

Excerpt from the Wikipedia article “Thymol blue”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Hobbitdesgrauens, CC BY-SA 4.0, via Wikimedia Commons.