Entertainment / Photography / Sodium Hydrosulfite: Used as a fogging agent in reversal processing.
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Entertainment / Photography / Sodium Sulfide: Chemical used in sulfide (sepia) toning. MORE
Entertainment / Photography / Sodium Metabisulfite: Used as an acidifying agent in acid fixing baths. MORE
Entertainment / Photography / Sodium Sulfite: Chemical commonly used as a preservative in many developing solutions. MORE
Entertainment / Photography / Sodium Thiocyanate: Alternative to potassium thiocyanate and is used as a silver solvent in physical and ultra-fine grain formulae. MORE
Science / Biology / Sodium-Potassium Pump: The mechanism that uses ATP energy to reset the sodium and potassium ions after transmission of a nerve impulse. MORE
Entertainment / Photography / Sodium Thiosulfate: Chemical used in many fixing solutions. It converts unused halides to a soluble complex which can be removed by washing. MORE