Hypochlorite lithium hydroxide

Lithium Hypochlorite. Lithium hypochlorite [13840-33-0], LiOCl, is obtained from reaction of chlorine and an aqueous solution of lithium hydroxide. The soHd is usually obtained as a dry stable product containing other alkaH haHdes and sulfates (64). A product containing 35% available chlorine is used for sanitizing appHcations in swimming pools and in food preparation areas where its rapid and complete dissolution is important. The salt can also be obtained in higher purity by reaction of lithium hydroxide and hypochlorous acid (65). 

The only known stable soHd neutral hypochlorites are those of lithium, calcium, strontium [14674-76-17, and barium [13477-10-6]. Calcium also forms two stable basic hypochlorites (calcium hydroxide hypochlorites) Ca(OCl)2 0.5Ca(OH)2 [62974-42-9] and Ca(OCl)2 2Ca(OH)2 [12394-14-8], Sodium hypochlorite [7681-52-9] does not have good stabiHty. Potassium hypochlorite [7778-66-7] exists only in solution. Attempts to isolate the soHd have... 

Lithium hydroxide, 15 134, 140-141 Lithium hypochlorite, 4 52 15 141 pool sanitizer, 26 175 Lithium iodide, 3 417 15 140 Lithium-iodine cells, 3 463-464 characteristics, 3 462t speciality for military and medical use, 3 430t... 

Lithium-base greases, especially the stearate, are efficient over an extremely wide temperature range up to 160°C. Lithium hydroxide (LiOH) is a component of the electrolyte in alkaline storage batteries and is employed in the removal of carbon dioxide in submarines and space capsules. Lithium bromide (LiBr) brine is used for air conditioning and dehumidification. Lithium hypochlorite (LiOCl) is a dry bleach used in commercial and home laundries. Lithium chloride (LiCl) is in demand for low-temperature batteries and for aluminum brazing. Other uses of lithium compounds include catalysts, glass manufacture, and, of course, nuclear energy. 

Lithium hypochlorite, LiOCl.—The hypochlorite is very unstable, and has not been isolated. It is formed in solution by the action of chlorine on a solution of lithium hydroxide,... 

LITHIUM HYDROXIDE see LHIlOO UTHIUM HYDROXIDE, solution pOp see LHIlOO LITHIUM HYDROXIDE, monohydrate or lithium hydroxide, sohd pop see LHIlOO LITHIUM HYDROXIDE p(OH)) (9CI) see LHIlOO LITHIUM HYDROXYBUTYRATE see LHM800 LITHIUM 7-HYDROXYBUTYRATE see LHM800 LITHIUM HYPOCHLORITE see LHJOOO... 

The original product sold in the United States contains -30% lithium hypochlorite (35% available chlorine), 34% sodium chloride, 20% of potassium and sodium sulfates, 3% lithium chloride, 3% lithium chlorate, 2% lithium hydroxide, 1% lithium carbonate, and the balance is water. It is made from lithium sulfate that is extracted into water from a lithium aluminum silicate ore after it is treated with sulfuric acid. The resulting solution also contains sodium and potassium sulfates. It is neutralized with calcium carbonate to pH 6, treated to remove calcium and magnesium, filtered, and concentrated. Sodium hydroxide is added to convert lithium carbonate to lithium hydroxide. The solution is cooled to 0°C and the resulting sodium carbonate decahydrate crystals are removed by filtration. Slightly more sodium hydroxide than the molar equivalent of lithium hydroxide is then... 

A granular solid that contains 77% lithium hypochlorite, 4-7% lithium chloride, and small amounts of lithium chlorate and lithium hydroxide has also been made. A solution of 35-50% hypochlorous acid is added to an aqueous slurry of lithium hydroxide at 5-10°C with agitation. As the reaction proceeds, additional lithium hydroxide is added. More hypochlorous acid is also added until the concentration of lithium hydroxide drops below 1%. The resulting solution contains 25-35% lithium hypochlorite. It can be cooled between -5 and -15°C to produce crystals of lithium hypochlorite monohydrate, which are filtered and dried. Alternatively, water is evaporated from the solution under reduced pressure to produce a slurry of lithium hypochlorite, and the solid is removed and dried. In either case, the supernatant is recycled into the process to conserve lithium. The lithium hypochlorite solutions can also be used as made or they can be dried directly to make a less-pure solid with a lower concentration of lithium hypochlorite. 

Lithium hydroxide solutions may also be chlorinated like sodium hydroxide. Chlorinating a saturated solution of lithium hydroxide produces a solution with -10% lithium hypochlorite and equimolar lithium chloride. Chlorinating a mixture of lithium hydroxide and either potassium or sodium hydroxide preferentially forms lithium hypochlorite and sodium or potassium chloride. If a suspension containing 15-20% lithium hydroxide is chlorinated to make 25-35% lithium hypochlorite, much of the lithium hypochlorite crystallizes as the monohydrate at 20°C. If greater concentrations of lithium hypochlorite are made, a mixture of lithium hypochlorite monohydrate and lithium chloride is obtained. ... 

Passing chlorine through a solution of hthium hydroxide yields lithium hypochlorite ... 

Cone. soln. of sodium hypochlorite with up to 42 per cent, of available chlorine have been made under the trade name chloros, by passing chlorine into a soln. of caustic soda of such a strength that the sodium chloride which is formed separates out. The temp, is kept below 27°. The crystals of sodium chloride are removed, and more chlorine is introduced, but the sodium hydroxide is always kept in excess or the soln. will be unstable. A. J. Balard prepared potassium, sodium, and lithium hypochlorites by neutralizing a well-cooled soln. of the base with the acid. E. Soubeiian evaporated in vacuo the liquid obtained by treating a soln. of calcium hypochlorite with sodium carbonate, and obtained, before the liquid had all evaporated, crystals of sodium chloride and of sodium hypochlorite. P. Mayer and R. Schindler obtained solid potassium hypochlorite mixed with potassium hydrocarbonate by the action of chlorine—developed from 10 parts of sodium chloride—on a soln. of 24 parts of potassium hydrocarbonate and one of water. 

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