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Topic: Phosphate

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In the News (Mon 19 Aug 19)

  Pentose Phosphate Pathway
The pentose phosphate pathway is primarily an anabolic pathway that utilizes the 6 carbons of glucose to generate 5 carbon sugars and reducing equivalents.
The reactions of oxidative portion of the pentose phosphate pathway are shown.
The reactions of the non-oxidative portion of the pentose phosphate pathway are shown.
web.indstate.edu /thcme/mwking/pentose-phosphate-pathway.html   (1082 words)

 Phosphate Rock
Phosphate rock can be any rock or sediment with sufficiently high concentrations of some form of the mineral fluorapatite (Ca to be of commercial value.
Commercial phosphate rock is usually sedimentary in origin and is used primarily as a plant nutrient, either by direct application to the soils as a powdered product or in the manufacture of superphosphate or triple super-phosphate fertilizer.
Since phosphate rock is a low-cost commodity, certain cost-limiting conditions must be met for a deposit to be minable.
www.state.ar.us /agc/phosphat.htm   (323 words)

 Dibutyl Phenyl Phosphate
Dibutyl phenyl phosphate is a clear, slightly yellow liquid with an odor similar to butanol.
Before a worker is placed in a job with a potential for exposure to dibutyl phenyl phosphate, a licensed health care professional should evaluate and document the worker's baseline health status with thorough medical, environmental, and occupational histories, a physical examination, and physiologic and laboratory tests appropriate for the anticipated occupational risks.
Clothing contaminated with dibutyl phenyl phosphate should be removed immediately, and provisions should be made for the safe removal of the chemical from the clothing.
www.osha.gov /SLTC/healthguidelines/dibutylphenylphosphate/recognition.html   (3060 words)

 The Phosphate Fertilizer Industry: An Environmental Overview
In the 1960s, air pollution emitted by another phosphate plant in Garrison, Montana was severe enough to be branded "the worst in the nation" by a 1967 National Air Pollution Conference in Washington, D.C. As in Polk County, and other communities downwind of fluoride emissions, the cattle in Garrison were poisoned by fluoride.
It is because phosphate and uranium were laid down at the same time and in the same place by the same geological processes millions of years ago.
Resting atop the phosphate industry's gypsum piles are highly-acidic wastewater ponds, littered with toxic contaminants, including fluoride, arsenic, cadmium, chromium, lead, mercury, and the various decay-products of uranium.
www.fluoridealert.org /phosphate/overview.htm   (5196 words)

 Pentose Phosphate Pathway
The Pentose Phosphate Pathway (also called Phosphogluconate Pathway, or Hexose Monophosphate Shunt) is depicted with structures of intermediates in Fig.
The remainder of the Pentose Phosphate Pathway accomplishes conversion of the
The flow of intermediates containing 15 C atoms through Pentose Phosphate Pathway reactions by which 5-C sugars are converted to 3-C and 6-C sugars is summarized in the diagram at right and balance sheet below.
www.rpi.edu /dept/bcbp/molbiochem/MBWeb/mb2/part1/pentose.htm   (862 words)

 Phosphate: Minerals and Electrolytes: Merck Manual Home Edition
Phosphate is necessary for the formation of bone and teeth.
Phosphate is also used as a building block for several important substances, including those used by the cell for energy and DNA (deoxyribonucleic acid).
Phosphate is taken in from the diet and excreted in urine and stool.
www.merck.com /mmhe/sec12/ch155/ch155h.html   (472 words)

 Phosphate recovery at The Natural History Museum
Promoting a positive dialogue regarding the recovery and recycling of phosphates from sewage and animal wastes.
The phosphates file - all about phosphates and recovery.
"phosphates recovery for recycling from sewage and animal wastes"
www.nhm.ac.uk /mineralogy/phos   (249 words)

Each of these places shares a common threat and a real risk to their respective natural environments.
In both states, the economic value of the natural resources far outweighs the income from phosphate mining.
And taxpayers are left with the costs of clean up, the risk of accidents and disasters, and the potential consequences to public health and wildlife.
www.thephosphaterisk.com   (127 words)

  Phosphate: At a Glance   (Site not responding. Last check: )
To evaluate the level of phosphate in your blood and to aid in the diagnosis of conditions known to cause abnormally high or low levels
As a follow-up to an abnormal calcium level, if you have a kidney disorder or uncontrolled diabetes, and if you are taking calcium or phosphate supplements
A blood sample drawn from a vein in your arm, or a fasting or timed urine collection (usually a 24-hour sample)
www.labtestsonline.org.uk /understanding/analytes/phosphorus/glance.html   (145 words)

  Phosphate - Wikipedia, the free encyclopedia
In chemistry, a phosphate is a polyatomic ion or radical consisting of one phosphorus atom and four oxygen.
Phosphates are often used in laundry detergent as a water softener, but, because of boom-bust cycles tied to emission of phosphates into watersheds, phosphate detergent sale or usage is restricted in some areas.
In agriculture phosphate refers to one of the three primary plant nutrients, and it is a component of fertilizers.
en.wikipedia.org /wiki/Phosphate   (704 words)

 Carbamoyl phosphate synthetase I deficiency - Genetics Home Reference
Carbamoyl phosphate synthetase I deficiency is an inherited disorder that causes ammonia to accumulate in the blood.
Carbamoyl phosphate synthetase I deficiency is a rare disorder; its overall incidence is unknown.
Mutations in the CPS1 gene cause carbamoyl phosphate synthetase I deficiency.
ghr.nlm.nih.gov /condition=carbamoylphosphatesynthetaseideficiency   (716 words)

 Phosphate Summary
Phosphates are often used in laundry detergent as a water softener, but, because of boom-bust cycles tied to emission of phosphates into watersheds, phosphate detergent sale or usage is restricted in some areas.
In agriculture phosphate refers to one of the three primary plant nutrients, and it is a component of fertilizers.
Surface runoff of phosphates from excessively fertilized farmland can be a cause of phosphate pollution in surface waters, leading to eutrophication (algal bloom) and consequent oxygen deficit, leading to (anoxia) for fish and other aquatic life in the same manner as phosphate-based detergents.
www.bookrags.com /Phosphate   (3892 words)

 Florida DEP Industrial Wastewater Phosphate Industry
With its vast phosphate deposits, the majority of which are located in the west-central part of the state, Florida has become one of the world's largest producers of phosphate and accounts for 75% of the nation's and 25% of the world's phosphate production.
The first step in separating phosphate from the clay and sand is to put the slurry in a washer where large balls of clay are mechanically disintegrated.
The Florida Institute of Phosphate Research is currently working on research to find uses for phosphogypsum, and improve environmental quality of wastes and land reclamation, as well as improving the efficiency of the industry's processes.
www.dep.state.fl.us /water/wastewater/iw/phosphate.htm   (942 words)

Phosphate is an important plant fertilizer that stimulates plant growth at very low concentrations.
The Phosphate level in unpolluted natural waters is always very low, and Plants use so much that there is always a demand for it.
In most aquariums the plant growth is insufficient to use up all the Phosphate that is added with feeding, therefore it accumulates in the water.
www.redseafish.com /Product.asp?dir=&catID=89&subID=39&proID=141   (244 words)

 High energy phosphate - Wikipedia, the free encyclopedia
It can mean the compounds which contain these bonds, which include the nucleoside diphosphates and nucleoside triphosphates, and the high energy storage compounds of the muscle, the phosphagens.
High energy phosphate bonds are pyrophosphate bonds, acid anhydride linkages, formed by taking phosphoric acid derivatives and dehydrating them.
As a consequence, the hydrolysis of these bonds is exothermic under physiological conditions, releasing energy.
en.wikipedia.org /wiki/High_energy_phosphate   (329 words)

 - Nitrogen Compounds & Phosphate
Excessive phosphate concentrations can affect the health of invertebrates as well as contribute to the undesirable growth of algae.
The testing of phosphate in reef aquariums is essential as part of the routine water quality monitoring.
The source of phosphate originates from three primary sources: utilisation of food by the aquarium animals, decay of excessive food, and activated carbon and municipal water.
library.thinkquest.org /C0124402/data/html/5/5nitrogencompoundsandphosphate.htm   (738 words)

 Phosphate fertiliser
High analysis phosphates are also now imported (especially ammonium phosphates with a high concentration of nitrogen and phosphorus) and often blended with locally produced single strength superphosphate to provide a double strength fertiliser.
Phosphate is produced by the Phosphate Island Company that in 1998 produced 587 000 tonnes of phosphate rock valued at A$45million (A$3.4 million after tax).
Phosphates are an important plant nutrient and is used in detergents, deflocculants, animal feeds and metal treatment.
www.chemlink.com.au /phosphat.htm   (2343 words)

 phosphate. The Columbia Encyclopedia, Sixth Edition. 2001-05
Since calcium phosphate is only slightly soluble in water, it is not very suitable as a source of the phosphorus necessary for plant life; however, by treating it with sulfuric acid the soluble calcium acid phosphate known as superphosphate of lime is formed.
Other important inorganic phosphates include ammonium phosphate, important as a fertilizer; trisodium phosphate, used in detergents and for softening water; and disodium phosphate, used to some extent in medicine and in preparing baking powders.
Nucleotides are phosphate esters that play an important role in the conservation and use of the energy released in the metabolism of foods in the body; adenosine triphosphate is an important nucleotide.
www.bartleby.com /65/ph/phosphat.html   (309 words)

 Florida Phosphate Facts
About 95% of the phosphate rock recovered in Florida is used in agriculture, 90% in fertilizer and 5% as feed supplements for livestock.
Phosphate rock is usually found 25-40 feet beneath the ground in a mixture of phosphate pebbles, sand and clay known as phosphate matrix.
The sand and phosphate concentrate is moved to a flotation plant where reagents (substances used to produce a physical reaction) are added to separate the two.
www.phosphateflorida.com /mosaic.asp?page=about_phosphate   (850 words)

 Phosphate - EvoWiki   (Site not responding. Last check: )
Phosphate groups linked to nucleosides form the important class of molecules known as nucleotides.
The phosphate and sugar groups of nucleotides are linked to one another by phosphodiester bonds to form a chain of nucleotides into which information may be encoded.
Phosphate groups are used to connect the hydrophobic tails of phospholipid molecules to the hydrophilic heads.
wiki.cotch.net /index.php/Phosphate   (332 words)

 sociology - Phosphate
In chemistry, a phosphate is a polyatomic ion or radical consisting of one phosphorus atom and four oxygen.
Energy stored by phosphate bonds in the form of ADP or ATP, or other nucleoside diphosphates or triphosphates, or the phosphagens in muscle tissues, is generally referred to as high energy phosphate.
Leaching of phosphates from fertilized farmland can be a cause of phosphate pollution of surface water, causing algal bloom and consequent oxygen deficit for fish in the same manner as phosphate-based detergents.
www.aboutsociology.com /sociology/Phosphate   (467 words)

 Phosphate in Urine
The phosphate urine test measures the amount of the mineral phosphate in a urine sample that is collected over 24 hours (24-hour urine test).
Extra phosphate is filtered by the kidneys and passes out of the body in the urine; if there is not enough phosphate, less is found in the urine.
Urine phosphate is usually measured in a sample taken from all the urine produced in a 24-hour period.
www.webmd.com /a-to-z-guides/Phosphate-in-Urine   (647 words)

 Phosphate   (Site not responding. Last check: )
Phosphates are phosphorus containing compounds which are essential for many vital functions.
Phosphate levels up to 1 mg/l (ppm) can be tolerated in freshwater aquariums, whereas in saltwater aquariums, a maximum level of 0.1 mg/l (ppm) is acceptable.
Phosphates, which enter the aquarium or pond via tap water, food, the fishes' feces, and some water conditioners, are not broken down by bacteria and will accumulate in the aquarium.
www.jackswoodpets.co.uk /Aquatics-test-Phosphate.htm   (395 words)

High phosphate concentrations in surface waters may indicate fertilizer runoff, domestic waste discharge, or the presence of industrial effluents or detergents.
Although phosphates from these sources are usually poly-phosphates or organically bound, all will degrade to "ortho" or reactive phosphates with time.
Phosphate measurement is used to control scale and corrosion inhibitor levels in boilers and cooling towers.
webpages.charter.net /kwingerden/erhs/aquarium/phosphat.htm   (1815 words)

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