Entertainment / Photography / Potassium Bromide: Chemical used as a restrainer in most developing solutions and as a rehalogenizing agent in bleaches.
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Entertainment / Photography / Potassium Metabisulfite: Acidifier used in fixers and stop baths. MORE
Entertainment / Photography / Potassium Iodide: Chemical used in bleaches, toners and intensifiers. MORE
Entertainment / Photography / Potassium Hydroxide: Caustic potash. Highly active alkali, used as the basis for high contrast developing solutions. MORE
Entertainment / Photography / Potassium Permanganate: Chemical used extensively in reducers, bleaches and toners. MORE
Entertainment / Photography / Potassium Persulfate: Chemical sometimes used in super-proportional reducers. 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