Monosodium tartrate

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What Wikipedia says

Monosodium tartrate or sodium bitartrate is a sodium acid salt of tartaric acid. As a food additive it is used as an acidity regulator and is known by the E number E335. As an analytical reagent, it can be used in a test for ammonium cation which gives a white precipitate.

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

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