Health / First Aid / Sodium Acetate: The active ingredient in hot packs.
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Entertainment / Photography / Sodium Metabisulfite: Used as an acidifying agent in acid fixing baths. MORE
Entertainment / Photography / Sodium Hydroxide: Highly active alkaline accelerator used in conjunction with hydroquinone to produce high contrast developers. MORE
Entertainment / Photography / Sodium Hydrosulfite: Used as a fogging agent in reversal processing. MORE
Entertainment / Photography / Sodium Hexametaphosphate: Water softener. MORE
Entertainment / Photography / Sodium Sulfide: Chemical used in sulfide (sepia) toning. MORE
Entertainment / Photography / Sodium Sulfite: Chemical commonly used as a preservative in many developing solutions. MORE