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Potassium hydroxide is an inorganic compound with the formula K OH, and is commonly called caustic potash. ... Safety data sheet (SDS) ICSC 0357: Related compounds
The conversion between hydroxyl value and other hydroxyl content measurements is obtained by multiplying the hydroxyl value by the factor 17/560. [2] The chemical substance may be a fat, oil, natural or synthetic ester, or other polyol. [3] ASTM D 1957 [4] and ASTM E222-10 [5] describe several versions of this method of determining hydroxyl value.
The KOH test, also known as a potassium hydroxide preparation or KOH prep, is a quick, inexpensive fungal test to differentiate dermatophytes and Candida albicans symptoms from other skin disorders like psoriasis and eczema. [1] Dermatophytes are a type of fungus that invades the top layer of the skin, hair, or nails.
Potassium nitrate can be made by combining ammonium nitrate and potassium hydroxide. NH 4 NO 3 + KOH → NH 3 + KNO 3 + H 2 O. An alternative way of producing potassium nitrate without a by-product of ammonia is to combine ammonium nitrate, found in instant ice packs, [30] and potassium chloride, easily obtained as a sodium-free salt substitute.
Approximately 10% by weight of common wood ash can be recovered as potash. [10] [11] Later, "potash" became widely applied to naturally occurring minerals that contained potassium salts and the commercial product derived from them. [12] The following table lists a number of potassium compounds that have "potash" in their traditional names:
Commercially it is made by mixing potassium hydroxide with iodine. [9] [10] Potassium iodide has been used medically since at least 1820. [11] It is on the World Health Organization's List of Essential Medicines. [12] Potassium iodide is available as a generic medication and over the counter. [13] Potassium iodide is also used for the ...
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The complete removal of the water is critical for the reaction conversion, due to the pronounced hygroscopy of potassium hydroxide, which contains about 10% of water. [3] The significantly higher dissolution rate of potassium hydroxide in methanol compared to sodium hydroxide is advantageous.