Entertainment / Photography / Potassium Hydroxide: Caustic potash. Highly active alkali, used as the basis for high contrast developing solutions.
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Science / Periodic Table of Elements / Potassium (K): Atomic number: 19, Atomic mass: 39.0983 g.mol -1, Electronegativity: 0.8, Density: 0.86 g.cm -3 at 0 ?°C, Melting point: 63.2 ?°C, Boiling point: 760 ?°C, Vanderwaals radius: 0.235 nm, Ionic radius MORE
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