How To Use Perchlorate In A Sentence
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Similarly, while it is known that the effects inhibitors have on the thyroid can in turn lead to adverse effects on the digestive, cardiovascular and integumentary systems, it is not yet known what effect current concentrations of perchlorate have in the body.
Fate and effects of perchlorate
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It has been identified as perchlorate, which is actually used on Earth in rocket fuel.
CNN Transcript Aug 5, 2008
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Among the chemicals detected in 99% to 100% of the subjects were such banned substances as cancer-causing PCBs polychlorinated biphenyls and flame retardants containing polybrominated diphenyl ethers, along with organochlorine pesticides, perchlorate and phthalates, compounds found in cosmetics, detergents, vinyl floors, toys, plastic bottles and hundreds of other products.
Landmark study finds 43 chemicals -- some banned -- in pregnant women
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For the scientifically-minded: A perchlorate molecule is an organochlorine and has the chemical formula ClO4 -, four oxygen atoms surrounding a chlorine atom.
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Perchlorate is the primary ingredient of solid rocket propellant that is increasingly found in soil and water.
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I predict that learning more about low-dose effects of ubiquitous chemicals (perchlorate, MTBE, trichloroethane, perfluorochemicals -- all of which have been found in municipal water supplies) will give even committed tap-water drinkers pause.
Elizabeth Royte: Another Gift to the Bottled Water Industry
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The salt called perchlorate takes vapour from the atmosphere at night.
The Sun
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Seems like finding a battery (and some systems are even batteryless) would be easier than trying to locate a source of percussion caps, primers, or their contents (lead azide, sodium perchlorate).
Electrifying Muzzleloaders: CVA's New Electronic Ignition System
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Further, they have developed methods to bind such catalytic ligands to semi-solid supports which provide an appropriate reaction environment for rapid destruction of perchlorates by titanous species.
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Researchers found a lot of the basic ingredients that life needs to survive, including water in the form of ice, various minerals and a salt called perchlorate that microbes on Earth use as an energy source.
Azcentral.com | news
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Phenyl-substituted cyclopentadienes are proved to form phenylated pyrylium cations in the presence of silver perchlorate by insertion of an oxygen atom into the cyclopentadiene-ring.
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VIEW FAVORITES yahooBuzzArticleHeadline = 'Environmental Toxin Collects in Breast Milk'; yahooBuzzArticleSummary = 'Scientists have discovered the mechanism by which a chemical known as perchlorate can collect in breast milk and cause cognitive and motor deficits in newborns.
OpEdNews - Quicklink: Environmental Toxin Collects in Breast Milk
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The process of washing perchlorate out of rockets has been a source of drinking and irrigation water contamination demonstrated in and around the Colorado River and the Sacramento area.
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Exposure to perchlorate has been shown to reduce thyroid hormone production and inhibit the uptake of iodide, which is required for healthy function of the thyroid gland.
Eyewitness News
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The perchloric acid then neutralises the alkali ammonia forming crystals of ammonium perchlorate salt.
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The hydrocarbon diperchlorate products have utility as detonatable sensitizers for explosives and alkylating agents.
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False negatives (no light when there should be light): arsenate, perchlorate, most heavy metals, divalent cation chelating agents (EDTA is fine in small doses so long as Mg++ is in excess).
Snowed under
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Inorganic anions used as the model anions were sulfate, fluoride, chloride, bromide, nitrite, nitrate, chlorate, iodide, thiocyanate, and perchlorate, used as their sodium salts.
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The propellant is a mix of aluminum, ammonium perchlorate, a polymer called polybutadiene acrylonitrile, epoxy and iron oxide poured into cylindrical steel casings 12 feet wide, almost like cake batter into pans.
NYT > Home Page
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Scientists have discovered the mechanism by which a chemical known as perchlorate can collect in breast milk and cause cognitive and motor deficits in newborns.
OpEdNews - Quicklink: Environmental Toxin Collects in Breast Milk
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Researchers in Texas have detected the chemical perchlorate in milk, crops, and a significant portion of the state's groundwater.
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The chemical perchlorate, which is used in solid rocket and jet fuels, was recently detected in 15 powdered baby formulas, according to ABC News.
Rocket fuel in baby formula?
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Hiskey's formulation uses nitrocellulose as fuel and nitrates as oxidizer, thus avoiding perchlorates altogether.
Building a Better Firework
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To give one example, a red pellet could contain substances such as potassium perchlorate and strontium carbonate, besides pitch as fuel and starch as binder.
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Spectrophotometric measurements carried out by us (to be published later) show conclusively that there is no dimer formation, and that in ceric perchlorate solutions in normal perchloric acid approximately 92 per cent of the ceric ion is present as the ion-pair complex Ce 4 + OH -.
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Further tests by the Phoenix lander found traces of a substance called perchlorate in the Martian soil.
Signs of the Times
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Inorganic anions used as the model anions were sulfate, fluoride, chloride, bromide, nitrite, nitrate, chlorate, iodide, thiocyanate, and perchlorate, used as their sodium salts.
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Many recent analytical advances address ongoing problems, including arsenic, perchlorates, and methyl tert butyl ether in soil and water supplies.
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The insoluble potassium perchlorate was removed by centrifugation at 500 g for 3 min.
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Would it be better to use purified and electrolyzed Hydrogen and Oxygen for fuel? too the perchlorates?
MRO Radar Maps Extensive Subsurface Martian Ice | Universe Today
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Thus, perchlorate ion is a stronger oxidant than chlorate ion, followed by chlorite ion and hypochlorite ion.
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Potassium perchlorate is the oxidizing agent used to set off fireworks.
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In addition, such naturally-occurring sources of perchlorate as potash fertilizer and evaporite soils exist.
Fate and effects of perchlorate
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Simultaneously, hydrogen ions are produced, which react with the perchlorate ions making perchloric acid.
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After mixing the soil with perchlorate and heating it, they found that the gases produced were carbon dioxide and traces of chloromethane and dichloromethane - just like the gases released by the chemical reactions after the Viking landers heated the Martian soil more than three decades ago.
BBC Ouch! Blog
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The part with the negative charge is called the perchlorate anion or just perchlorate.
Public Health Statement for Perchlorates
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GOLDSTEIN: Well, perchlorate inhibits your take-up of iodide, which is a form of iodine, which is necessary to make thyroid hormone.
CNN Transcript Feb 24, 2005
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Perchlorate is the substance that has served since the 1940s as an oxidizer in solid rocket fuel for more effective propulsion for space shuttles and missiles.
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But although the product of the plant - ammonium perchlorate - is used in rockets, it isn't highly explosive and doesn't burn.
The Sun
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Now that same chemical called perchlorate has turned up in the food supply as well.
CNN Transcript Dec 3, 2004
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Among the chemicals detected in 99% to 100% of the subjects were such banned substances as cancer-causing PCBs polychlorinated biphenyls and flame retardants containing polybrominated diphenyl ethers, along with organochlorine pesticides, perchlorate and phthalates, compounds found in cosmetics, detergents, vinyl floors, toys, plastic bottles and hundreds of other products.
Landmark study finds 43 chemicals -- some banned -- in pregnant women
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There, the poison is called perchlorate, a component of rocket fuel, which affects the growth, development and metabolism of the human body, and also is known to cause cancer.
Javier Sierra: A Bitter Taste
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Perchlorate is a waterborne contaminant left over from propellants and rocket fuels.
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Ammonium perchlorate (an oxidizer) accounts for 70% of the solid propellant in the shuttle's booster rockets because it generates so much gas when burning.
