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Topic: Aluminum fluoride

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In the News (Fri 24 May 19)

  Electrochemistry Encyclopedia --- Aluminum production
Alumina (aluminum oxide) powder, fed to the electrolytic process, is produced by the Bayer process from bauxite ore. Bauxites contain 40-60% alumina, combined with silica (silicon oxide), iron oxide, and titanium dioxide.
Aluminum reduction cells today are of two types: those with prebaked anodes and those with baked-in-place anodes (Soderberg).
Alumina was carbothermally chlorinated to aluminum chloride which was electrolytically decomposed to aluminum and chlorine in bipolar cells with graphite electrodes.
yces.case.edu /ed/encycl/art-a01-al-prod.htm   (2351 words)

 Aluminum, Fluoride, and Hormones
Thus when there is fluoride and aluminum around, it is this species that can combine with the GDP in the G-protein, AND without any involvement of the hormone it can deliver the message (ie activate the cellular change) that the hormone would have delivered.
Fluoride anions in the presence of aluminium thus mimicked the action of Ca2+-mobilizing hormones glucagon and vasopressin in hepatocytes.
As a model for G protein-induced cardiopulmonary dysfunction, fluoride infusion (0.9 mol/l in 0.9% NaCl at 15 µl.kg-1.min-1 for 3 h i.v.) in the presence and absence of AlCl3 (0.6 µg.kg-1.min-1) into pigs anaesthetised with pentobarbital sodium was used (Dodam and Olson, 1995).
www.fluoridealert.org /ifin-28.htm   (4189 words)

 Skeletal changes with toxicity from fluoride and aluminum
Aluminum affected the mineralization of osteo-cytoplasm and inhibited the calcification of osteoid.
For example, in the radiographs of the pelvis of patients with toxicity from fluoride and aluminum, bone density was increased, trabeculae showed gross haziness, and the malformation of osteomalacia was also present.
Study of the radiographic features of skeletal transformation in toxicity from fluoride and aluminum may be helpful in interpreting radiographs showing the increased density of osteosclerosis, varieties of osteomalacia, and osteosclerotic osteomalacia.
www.fluoride-journal.com /97-30-2/302-85.htm   (1017 words)

 Chronic administration of aluminum-fluoride or sodium- fluoride to rats in drinking water: alterations in neuronal and ...
The question addressed in this study was to understand why 0.5 ppm of aluminum fluoride in the drinking water of rats was associated with a larger increase in infections and mortality than with higher concentrations of 5 ppm and 50 ppm of aluminum fluoride in the drinking water.
The kidney is critical to the elimination of both aluminum and fluoride, and these changes may have impaired the elimination of these elements, detoxification in general or homeostasis of other ions such as calcium.
Further studies of aluminum fluoride and sodium fluoride are needed to establish the relative importance of a variety of potential mechanisms contributing to the observed effects as well as to determine the potential involvement of these agents in neurogenerative diseases.
www.fluoride-journal.com /98-31-2/31291-95.htm   (2221 words)

 Fluorides and Fluoridation - Aluminum Fluoride, G proteins, and the Endocrine Glands
Fluoride in the presence of trace amounts of aluminum affects all blood elements, endothelial cells and blood circulation, the function of lymphocytes and cells of the immune system, bone cells, fibroblasts and keratinocytes, ion transport, calcium influx and mobilization, processes of neurotransmission, growth and differentiation of cells, protein phosphorylation, and cytoskeletal proteins
Aluminum, the metal of the earth's lithosphere, is everywhere: in water sources, in nourishment, in different food additives and also in air in the form of dust particles.
Fluoridation of public water treated with aluminum salts together with the wide use of fluoride and aluminum in medicine, industry, and agriculture, started the era of supplementation of human bodies with these ions as never before in the history of human race.
www.rvi.net /~fluoride/000097.htm   (3626 words)

Following the Varner, et al aluminium fluoride studies in which 80% of the experimental rats died before the end of the experiment the United States Environmental Protection Agency was sufficiently alarmed to push the National Toxicology Program (NTP) to do further research.
The aluminum level in the brains of the fluoride-treated group was double that of the controls.
The pathological changes found in the brain tissue of the animals given fluoride and aluminum-fluoride were similar to the alterations found in the brains of people with Alzheimer's disease and other forms of dementia.
www.actionpa.org /fluoride/aluminum.html   (727 words)

 Fluoride in Drinking Water Increases Toxicity of Aluminum
In 1994, the New York Times reported a scientific study that revealed that aluminum and fluoride in water could be responsible for the alarming increase in Alzheimer's Disease and senile dementia.
The scientists reported 80% death rates, kidney damage and brain damage in rats exposed to half of one milligram of aluminum fluoride complexes in a liter of drinking water.
It stated that fluoridation will result in aluminum fluoride complexes which will enhance neurotoxicity, or that fluoride itself will enhance uptake and synergise the toxicity of the aluminum.
www.newconnexion.net /article/07-01/fluoride.html   (620 words)

 Aluminum Production -- the Hall - Héroult Process -- Electrolysis of Aluminum Fluoride
This combination, which may also be termed the ´double fluoride of aluminium and potassium´ is preferably formed by mixing together one hundred and sixty-nine parts of aluminium fluoride and one hundred and sixteen parts of potassium fluoride, such proportions of the ingredients corresponding to the formula K
The combination of the fluorides of aluminium and potassium may be rendered more fusible and its capacity for dissolving alumina may be increased by the addition of lithium fluoride...
In this process the elimination of the silica is accomplished by combination of the silicon with the fluorin of the flused fluorid; forming silicon fluorid, which escapes into the atmosphere as a gas...
www.fluoride-history.de /p-aluminum.htm   (3029 words)

 Aluminum, fluoride, and Alzheimer's disease: a review Nutrition Research Newsletter - Find Articles
Several lines of evidence indicate that aluminum and fluoride are mutually antagonistic, because they compete for absorption from the gastrointestinal tract.
In studies in rats and rabbits, less aluminum accumulated in the brain when test animals were given fluoride along with aluminum than when they were given aluminum alone.
A single epidemiological study conducted in South Carolina suggested that high fluoride intakes may be associated with lower risks of Alzheimer's disease; however, the study had important methodological limitations.
www.findarticles.com /p/articles/mi_m0887/is_n7-8_v11/ai_12560842   (579 words)

 Potassium Aluminum Fluoride
Potassium Aluminum Fluoride (KAlFx) — KBAlloys' potassium aluminum fluoride is a commercial grade fused solid, inorganic salt comprising of a mixture of potassium hexa- and tetrafluoroaluminates (K3AlF6 and KAlF4).
Fluxes - Potassium Aluminum Fluoride is often the primary constituent in salt fluxes for metal cleaning, either as a stand-alone addition or combined with other salts such as NaCl and KCl.
The function of the salt flux is to separate metals from oxide and dross and to prevent incendiary burning of the aluminum, thereby maximizing yields.
www.kballoys.com /Products/Chemicals___Fluxes/Potassium_Aluminum_Fluoride/potassium_aluminum_fluoride.html   (345 words)

It is characterized by diffuse opacities and under-mineralized enamel.
Fluorides are cumulative and build-up steadily with ingestion of fluoride from all sources, which include not just water but the air we breathe and the food we eat.
The use of fluoride toothpaste in dental hygiene and the coating of teeth are further sources of substantial levels of fluoride intake.
tuberose.com /Fluoride.html   (12406 words)

 Veterans Press - Research links low levels of fluoride and aluminum to Alzheimer's and kidney damage
bioavailability of aluminum and its effects on the nervous system, the study looked at the effects of aluminum-fluoride and sodium-fluoride separately.
"Fluoride has diverse actions on a variety of cellular and physiological functions, including the inhibition of a variety of enzymes, a corrosive action in acid mediums, hypocalcemia, hyperkalemia, and possibly cerebral impairment."
In the "Effect of Fluoride on the Physiology of the Pineal Gland", 1994, the author J. Luke suggests that fluoride also effects the gland in the brain that produces melatonin, which has been established as critical to those people suffering from sleep disorders.
www.nofluoride.com /Veterans_Press.htm   (317 words)

 How Safe Is Municipal Drinking Water? | Holology.com
These fluoride wastes were seeping into the ground and causing fluoride poisoning in the nearby towns manifest by the brown and fl mottling on peoples teeth, a condition known as fluorosis.
Fluorides are highly toxic compounds that are both expensive and dangerous to dispose of yet when added to a municipal water supply it somehow becomes a dental panacea, a carie cure-all.
Fluoridated areas have higher per capita dentist ratios and also higher spending on dental care because fluoridated regions are generally urban.
www.holology.com /water.html   (4016 words)

 [No title]
aluminum and fluoride in water could be responsible for the alarming increase in Alzheimer's Disease and percentile dementia.
This confirmed the long-held suspicion of environmental writer George Glasser that fluoride has the ability to act synergistically with other toxic minerals in drinking water.
Aluminum and fluoride are both toxins and should be avoided as much as possible.
www.mercola.com /2001/may/16/fluoride.htm   (778 words)

 FLUORIDE   (Site not responding. Last check: 2007-10-31)
Fluoride is a persistent and non-degradable poison that accumulates in soil, plants, wildlife, and humans.
To call sodium fluoride an "inert" is Orwellian and defies one of the NOS's stated principles: producers shall not use "natural poisons such as arsenic or lead salts that have long-term effects and persist in the environment." Fluoride is clearly in this category.
Sodium fluoride is used as a rodenticide and insecticide (mainly for roaches and ants), as a disinfectant for fermentation apparatus in breweries and distilleries, in wood preservation, and in rimmed steel manufacture (ATSDR, p 138).
www.apfn.org /apfn/fluoride.htm   (4446 words)

 Fluoride: It's pollution, stupid!
Fluoride compounds, including HF, are evolved as particulates and gases which are emitted to the atmosphere unless removed from the exhaust stream.
The aluminum industry who previously supplied sodium fluoride for water fluoridation was facing a shortage of fluorspar used in smelting aluminum.
Davies states that EPA determined that sodium fluoride was an "appropriate surrogate" for fluorosilicic acid and sodium fluorosilicate.
www.npwa.freeserve.co.uk /pollution.htm   (4174 words)

 Aluminum   (Site not responding. Last check: 2007-10-31)
Newly discovered toxic interaction of fluoride and aluminum in tap water is the death knell of fluoridation
Combination of fluoride and aluminum has unforseen effects in drinking water
Aluminum, fluoride and hormones, IFIN Bulletin number 28, December 15, 1999
www.sonic.net /kryptox/AL/AL.htm   (111 words)

 American Elements: Aluminum Fluoride Supplier & Tech Info
Aluminum Fluoride is generally immediately available in most volumes.
In extremely low concentrations (ppm), fluoride compounds are used in health applications.
Fluoride compounds also have significant uses in synthetic organic chemistry.
www.americanelements.com /alf.html   (67 words)

 CRYOLITE (Sodium Aluminum Fluoride)
It was used as a solvent of the aluminum rich ore, bauxite, which is a combination of aluminum oxides such as gibbsite,
It is very difficult to remove atoms of aluminum from atoms of oxygen which is necessary in order to produce aluminum metal.
Now it is too rare to be used for this purpose and sodium aluminum fluoride is produced artificially to fill the void.
mineral.galleries.com /minerals/halides/cryolite/cryolite.htm   (357 words)

 FLUORIDE "Fluoride is pollution"
It is not, "simply the fluoride ion in water," it is a complex recipe of toxic substances that most countries have labeled: Hazardous Air Pollutants (HAP).
By 1983 the official USEPA policy was: "In regard to the use of fluosilicic (fluorosilicic) acid as a source of fluoride for fluoridation, this agency regards such use as an ideal environmental solution to a long-standing problem.
The Abstract from the Neurotoxicological Evaluation of the Chronic Administration of Aluminum Fluoride and Sodium Fluoride, Varner, Jenson, Horvath & Isaacson.
www.wholly-water.com /Dental.Fluoride.Pollution.htm   (4496 words)

 Fluoride Pollution: An Overview
Fluoride Versus Sulfur Oxides in Air Pollution Dr.
Fluorides and Sulfur Dioxides as Causes of Plant Damage Fluoride Vol.
Impact of Artificial Fluoridation on Salmon In the Northwest US and British Columbia by Richard G Foulkes, MD and Anne C. Anderson, RPN.
www.fluoridealert.org /f-pollution.htm   (3726 words)

 Charles Martin Hall
It became the basis for the aluminum industries both in the United States and in Europe.
He had the idea that if he could find a nonaqueous solvent for aluminum oxide, he could produce metallic aluminum by electrolysis, using carbon electrodes.
On Feb. 23, 1886, Hall found that molten cryolite, which is the mineral sodium aluminum fluoride, was the solvent he needed for the process; using the cryolite and aluminum oxide and homemade batteries, he produced his first small globules of aluminum.
www.oberlin.edu /~EOG/OYTT-images/CMHall.html   (369 words)

 Fluorides and Fluoridation - Fluoride and Alzheimers Disease (Reference Sets)
Aluminum fluoride compounds are formed in the water supply, foods, and organism.
Fluoride complexes of aluminium or beryllium act on G-proteins as reversibly bound analogues of the gamma phosphate of GTP
Stabilization of microtubules by inorganic phosphate and its structural analogues the fluoride complexes of aluminum and beryllium
www.rvi.net /~fluoride/000094.htm   (1504 words)

 Aluminum Fluoride Sales and Information   (Site not responding. Last check: 2007-10-31)
Aluminum fluoride, AlF3 (CAS #7784-18-1), is a chemical used in aluminum fluxes, as an electrolyte for the reduction of aluminum oxide to aluminum metal, and as an opacifier aid in ceramic enamels, glass, and glazes.
Chemquat keeps high quality aluminum fluoride in stock, and can ship for your needs promptly.
For pricing, delivery, and technical information, please contact Bob Tatum at (618) 931-0023, or send an email to.
www.aluminumfluoride.com   (76 words)

 ►All About Aluminum Silicate Fluoride Hydroxide | Miss Peridot's Encyclopedia of Gems, Diamonds and Jewelry   (Site not responding. Last check: 2007-10-31)
Miss Peridot's Encyclopedia > Jewelry Terms > Aluminum Silicate Fluoride Hydroxide
We could not fin any Aluminum Silicate Fluoride Hydroxide in the big database.
We recommend Miss Peridot's Encyclopedia of Gems and Jewelry hot auction search to try find Aluminum Silicate Fluoride Hydroxide.
www.missperidot.com /012/term.asp?tid=349   (567 words)

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