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sodium sulfite

American  

noun

Chemistry.
  1. a white, crystalline, water-soluble solid, Na 2 SO 3 , used chiefly as a food preservative, as a bleaching agent, and as a developer in photography.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To make the humanmade version, the team first softened thin strips of oak by boiling them with lye and sodium sulfite.

From Science Magazine • Feb. 15, 2023

Heating solid sodium hydrogen sulfite forms sodium sulfite, sulfur dioxide, and water:

From Textbooks • Feb. 14, 2019

Notes If the sodium sulfite solution contains an excess of alkali, a black tar tends to form when the solution is warmed, and very little phenylhydrazine is obtained.

From Organic Syntheses by Conant, James Bryant

The most feasible method consists in the reduction of diazonium salts with sodium sulfite.

From Organic Syntheses by Conant, James Bryant

It is best to use freshly prepared sodium sulfite for the reduction, since the commercial quality is poor and gives a lower yield of phenylhydrazine.

From Organic Syntheses by Conant, James Bryant

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