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Potassium Chloride

The chemical compound potassium chloride is a metal halide salt composed of potassium and chlorine. White potash, sometimes referred to as soluble potash, is usually higher in analysis and is used primarily for making liquid starter fertilizers. Potassium chloride is used in medicine, scientific applications, food processing and in judicial execution through lethal injection. It occurs naturally as the mineral sylvite and in combination with sodium chloride as sylvinite. It is sometimes used in water as a completion fluid in petroleum and natural gas operations, as well as being an alternative to sodium chloride in household water softener units. Along with sodium chloride and lithium chloride, potassium chloride is used as a flux for the gas welding of aluminium.

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Potassium Chromate

Potassium chromate is a yellow chemical indicator used for identifying concentrations of chloride ions in a salt solution with silver nitrate. It is a class two carcinogen and can cause cancer on inhalation.

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Potassium Citrate

Potassium citrate is a potassium salt of citric acid. As a food additive, potassium citrate is used to regulate acidity. Medicinally, it may be used to control kidney stones derived from either uric acid or cystine. Potassium citrate is an effective way to treat gout and arrhythmia, if the patient is hypokalemic. In common with other substances that render the urine alkaline, it may be used to reduce the danger of crystalluria during sulfonamide therapy. It is widely used to treat urinary calculi (kidney stones), and is often used by patients with cystinuria.

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Potassium Dichromate

Potassium dichromate is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. It can be used for cleaning glassware and etching materials and it is used as an ingredient in cement in which it retards the setting of the mixture and improves its density and texture. It is also used to tan leather which is used for footwear. It has important uses in photography and in photographic screen printing, where it is used as an oxidizing agent together with a strong mineral acid.

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Potassium Ferricyanide

Potassium ferricyanide is a chemical compound. The compound has widespread use in blueprint drawing and in photography. Iron and copper toning involve the use of potassium ferricyanide. It is used as an oxidizing agent to remove silver from negatives and positives, a process called dot etching. In color photography, potassium ferricyanide is used to reduce the size of color dots without reducing their number, as a kind of manual color correction. The compound is also used to harden iron and steel, in electroplating, dyeing wool, as a laboratory reagent, and as a mild oxidizing agent in organic chemistry. It is also used in photography with sodium thiosulfate to reduce the density of a negative where the mixture is known as Farmer's reducer; this can help offset problems from overexposure.

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Potassium Ferrocyanide

Potassium ferrocyanide is a coordination compound. It can be used as an alternate nitrogen source for plants. It is often used as a gardening technique. Industrially, this complex is used in metal extraction and to make adhesives, computer electronics, fire retardants, cosmetics, dyes, nylon, paints, inks, plexiglass, pharmaceuticals, and rocket propellant. It is also used in low doses in some food preparation. It works as an anti-caking agent and it removes copper from red wine, as copper is used as a fungicide on grapes. In the laboratory, potassium ferrocyanide is used to determine the concentration of potassium permanganate, a compound often used in titrations based on redoxreactions.

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Potassium Hydrogen Glucarate

Potassium hydrogen glucarate is a compound formed from oxidizing sugars, which can be used to test for the presence of hepatic enzyme induction.

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Potassium Hydrogen Phthalate

Potassium hydrogen phthalate is an acidic salt compound. It is the monopotassium salt of phthalic acid. The hydrogen is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. It is not hygroscopic. It is also used as a primary standard for calibrating pH meters because, besides the properties just mentioned, its pH in solution is very stable. It can be used as a buffering agent but should not be used as a buffer for decarboxylation reactions, as these will degrade the KHP and mop up the conjugation groups. It is also a useful standard for total organic carbon (TOC) testing. Most TOC analyzers are based on the oxidation of organics to carbon dioxide and water, with subsequent quantitation of the carbon dioxide.

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Potassium Iodide

Potassium iodide is an inorganic compound. It is used medicinally in tablets. It is a precursor to silver iodide an important chemical in photography. It is a component in some disinfectants and hair treatment chemicals. It is also used as a fluorescence quenching agent in biomedical research, an application that takes advantage of collisional quenching of fluorescent substances by the iodide ion. The major uses of potassium iodide include use as a nutritional supplement in animal feeds and also the human diet.

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Potassium Metabisulfite

Potassium metabisulfite is used is as an antioxidant or chemical sterilant. It is used as a food additive. It is also used in the textile industry for dyeing and cotton printing. It is a component of certain photographic developers and solutions used in photographic fixing.

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