Entry from US English dictionary
(chiefly British also bisulphite)
An acid sulfite containing the radical HSO3.
- Neither sulfite nor bisulfite are sure-fire protectors of phenidone or ascorbic acid against oxidation.
- Derivatives of sulfites include bisulfites, metabisulfites, and sulfur dioxide.
- Sulfite increasingly predominates above pH 6, bisulfite predominates at pH 2-4, whereas sulfurous acid appears as a minor component at pH 4 and dominates the mixture only at pH 1 and below.
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