Entertainment / Photography / Potassium Metabisulfite: Acidifier used in fixers and stop baths.
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Entertainment / Photography / Potassium Persulfate: Chemical sometimes used in super-proportional reducers. MORE
Entertainment / Photography / Potassium Permanganate: Chemical used extensively in reducers, bleaches and toners. MORE
Entertainment / Photography / Potassium Metabisulfite: Acidifier used in fixers and stop baths. MORE
Entertainment / Photography / Potassium Sulfide: Chemical used in sulfide toning. MORE
Entertainment / Photography / Potassium Thiocyanate: Chemical used in some fine grain developers as a silver solvent. 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