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Synonyms | Sodium pyrosulfite Sodium metabisulfite, SO2 58.5% min Disodium disulphite Sodium metabisulphite gr Sodium disulphite~Sodium pyrosulphite Sodium disulfite |
Appearance | White crystalline powder with a sulfur smell |
Uses | As a preservative in developers Used in place of sodium sulfite in some developers, particularly in two-solution formulas where the increased acidity of the metabisulfite inhibits oxidation. For acidifying fixing baths. |
Chemical Formula | Na2O5S2 |
Notes | Can be substituted weight for weight with sodium bisulfite |
Package Weight | 0.06 lb |
Box Dimensions (LxWxH) | 2.5 x 1.5 x 1.5" |
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