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Denture Cleaner
A denture cleaner (also termed denture cleanser) is used to clean dentures when they are out of the mouth. The main use is to control the growth of microorganisms on the dentures, especially ''Candida albicans'', thereby preventing denture-related stomatitis. When dentures are worn in the mouth, a biofilm develops which may be similar to dental plaque. It may become hardened and mineralized as dental calculus. Denture cleansers are also used to remove stains and other debris that may be caused by diet, tobacco use, drinking coffee, drinking tea, etc. Some chemical denture cleaners can come in cream and liquid format. Others come in powder, paste, or tablet format. Some chemical denture cleaners are effervescent and others are not. There are also mechanical denture cleaners such as denture brushes and ultrasonic denture cleaners that use ultrasonic cleaning, some coupled with ultraviolet light. Ingredients Dilute sodium hypochlorite (i.e. a mild bleach) is the main constituent ...
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Overnight Polident Denture Cleaner
Overnight may refer to: Film and broadcast media * ''Overnight'' (1985 film), a Canadian comedy film * ''Overnight'' (2003 film), 2003 documentary film * '' NBC News Overnight'', an American late night newscast from the early 1980s * ''The Overnight'', 2015 film * ''Overnights'' (radio show), an Australian overnight radio program broadcast on ABC Local Radio Music *''Overnight'', 2016 EP by Jake Miller **"Overnight", single and title track of ''Overnight'' EP by Jake Miller *"Overnight", 1958 single by Jim Reeves * "Overnight" (Bee Gees song), 1987 *"Overnight", 1964 single by Margie Bowes *"Overnight", 1981 single by Mike Holoway * ''Overnight'' (album) Other * 'Overnight', informal term for the overnight rate interest rate, which large banks use to borrow and lend from one another on the overnight market See also * * * Over (other) * Night (other) Night is the period in which the sun is below the horizon. Night or Nights may also refer to: Peop ...
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Sodium Hypochlorite
Sodium hypochlorite (commonly known in a dilute solution as bleach) is an Inorganic chemistry, inorganic chemical compound with the chemical formula, formula NaOCl (or NaClO), comprising a sodium cation () and a hypochlorite anion (or ). It may also be viewed as the sodium salt (chemistry), salt of hypochlorous acid. The anhydrous Chemical compound, compound is unstable and may decompose explosively. It can be crystallized as a hydrate, pentahydrate ·5, a pale greenish-yellow solid which is not explosive and is stable if kept refrigerated. Sodium hypochlorite is most often encountered as a pale greenish-yellow dilute solution referred to as liquid bleach, which is a household chemical widely used (since the 18th century) as a disinfectant or a bleaching agent. In solution, the compound is unstable and easily decomposes, liberating chlorine, which is the active principle of such products. Sodium hypochlorite is the oldest and still most important chlorine-releasing compounds, chl ...
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Thermoplastics
A thermoplastic, or thermosoft plastic, is any plastic polymer material that becomes pliable or moldable at a certain elevated temperature and solidifies upon cooling. Most thermoplastics have a high molecular weight. The polymer chains associate by intermolecular forces, which weaken rapidly with increased temperature, yielding a viscous liquid. In this state, thermoplastics may be reshaped and are typically used to produce parts by various polymer processing techniques such as injection molding, compression molding, calendering, and extrusion. Thermoplastics differ from thermosetting polymers (or "thermosets"), which form irreversible chemical bonds during the curing process. Thermosets do not melt when heated, but typically decompose and do not reform upon cooling. Above its glass transition temperature and below its melting point, the physical properties of a thermoplastic change drastically without an associated phase change. Some thermoplastics do not fully crystallize b ...
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Block Drug
Block Drug Company was a pharmaceutical company based in Minneapolis, Minnesota, United States, that specialized in dental care products. Its most popular products included Polident denture cleanser, Poli-Grip denture adhesive, Dentu-Creme denture toothpaste, Nytol sleeping pill, Tegrin medicated shampoo for psoriasis, Lava hand soaps (acquired from Procter & Gamble), Beano and Phazyme anti-gas products, Balmex diaper rash ointments, and Sensodyne desensitizing toothpaste.The Gale Group. ''International Directory of Company Histories'', republished a"Block Drug Company, Inc.: Information from Answers.com" Answers Corporation. GlaxoSmithKline purchased the company for $1.24 billion in 2001.GlaxoSmithKline Compl ...
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Ethylenediaminetetraacetic Acid
Ethylenediaminetetraacetic acid (EDTA) is an aminopolycarboxylic acid with the formula H2N(CH2CO2H)2sub>2. This white, water-soluble solid is widely used to bind to iron (Fe2+/Fe3+) and calcium ions (Ca2+), forming water-soluble complexes even at neutral pH. It is thus used to dissolve Fe- and Ca-containing scale as well as to deliver iron ions under conditions where its oxides are insoluble. EDTA is available as several salts, notably disodium EDTA, sodium calcium edetate, and tetrasodium EDTA, but these all function similarly. Uses Textile industry In industry, EDTA is mainly used to sequester (bind or confine) metal ions in aqueous solution. In the textile industry, it prevents metal ion impurities from modifying colours of dyed products. In the pulp and paper industry, EDTA inhibits the ability of metal ions, especially Mn2+, from catalysing the disproportionation of hydrogen peroxide, which is used in chlorine-free bleaching. In a similar manner, EDTA is added to ...
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Potassium Peroxymonosulfate
Potassium peroxymonosulfate is widely used as an oxidizing agent. It is the potassium salt of peroxymonosulfuric acid. Usually potassium peroxymonosulfate refers to the triple salt known as oxone. The standard electrode potential for potassium peroxymonosulfate is +1.81 V with a half reaction generating the hydrogen sulfate (): ::HSO5− + 2 H+ + 2 e− → HSO4− + H2O Oxone Potassium peroxymonosulfate per se is a relatively obscure salt, but its derivative called oxone is of commercial value. Oxone refers to the triple salt 2KHSO5·KHSO4·K2SO4. Oxone has a longer shelflife than does potassium peroxymonosulfate. A white, water-soluble solid, oxone loses <1% of its oxidizing power per month.


Production

Oxone is produced from peroxysulfuric acid, which is generated in situ by combining and



Polyphosphate
Polyphosphates are salts or esters of polymeric oxyanions formed from tetrahedral PO4 (phosphate) structural units linked together by sharing oxygen atoms. Polyphosphates can adopt linear or a cyclic ring structures. In biology, the polyphosphate esters ADP and ATP are involved in energy storage. A variety of polyphosphates find application in mineral sequestration in municipal waters, generally being present at 1 to 5 ppm. GTP, CTP, and UTP are also nucleotides important in the protein synthesis, lipid synthesis, and carbohydrate metabolism, respectively. Polyphosphates are also used as food additives, marked E452. Structure Image:Triphosphorsäure.svg, Structure of triphosphoric acid Image:Polyphosphoric acid.svg, Polyphosphoric acid Image:Trimetaphosphat.svg, Cyclic trimetaphosphate Image:Adenosindiphosphat protoniert.svg, Adenosine diphosphate (ADP) The structure of tripolyphosphoric acid illustrates the principles which define the structures of polyphosp ...
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Sodium Perborate
Sodium perborate is chemical compound whose chemical formula may be written , , or, more properly, ·. Its name is sometimes abbreviated as PBS (not to be confused with phosphate-buffered saline). The compound is commonly encountered in anhydrous form or as a hexahydrate (commonly called "monohydrate" or PBS-1 and "tetrahydrate" or PBS-4, after the early assumption that would be the anhydrous form).Alexander McKillop and William R Sanderson (1995): "Sodium perborate and sodium percarbonate: Cheap, safe and versatile oxidising agents for organic synthesis". ''Tetrahedron'', volume 51, issue 22, pages 6145-6166. They are both white, odorless, water-soluble solids.B.J. Brotherton "Boron: Inorganic Chemistry" in ''Encyclopedia of Inorganic Chemistry'' (1994) Ed. R. Bruce King, John Wiley & Sons This salt is widely used in laundry detergents, as one of the peroxide-based bleaches. Structure Unlike sodium percarbonate and sodium perphosphate, the compound is not simply an adduct ...
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Citric Acid
Citric acid is an organic compound with the chemical formula HOC(CO2H)(CH2CO2H)2. It is a colorless weak organic acid. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms. More than two million tons of citric acid are manufactured every year. It is used widely as an acidifier, as a flavoring, and a chelating agent. A citrate is a derivative of citric acid; that is, the salts, esters, and the polyatomic anion found in solution. An example of the former, a salt is trisodium citrate; an ester is triethyl citrate. When part of a salt, the formula of the citrate anion is written as or . Natural occurrence and industrial production Citric acid occurs in a variety of fruits and vegetables, most notably citrus fruits. Lemons and limes have particularly high concentrations of the acid; it can constitute as much as 8% of the dry weight of these fruits (about 47 g/L in ...
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Sodium Bicarbonate
Sodium bicarbonate (IUPAC name: sodium hydrogencarbonate), commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO3. It is a salt composed of a sodium cation ( Na+) and a bicarbonate anion ( HCO3−). Sodium bicarbonate is a white solid that is crystalline, but often appears as a fine powder. It has a slightly salty, alkaline taste resembling that of washing soda (sodium carbonate). The natural mineral form is nahcolite. It is a component of the mineral natron and is found dissolved in many mineral springs. Nomenclature Because it has long been known and widely used, the salt has many different names such as baking soda, bread soda, cooking soda, and bicarbonate of soda and can often be found near baking powder in stores. The term ''baking soda'' is more common in the United States, while ''bicarbonate of soda'' is more common in Australia, United Kingdom and Ireland. and in many northern/central European countries it is called ''Na ...
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