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Topic: Aluminium hydroxide


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In the News (Mon 6 Jul 09)

  
  Antacid material based on magnesium aluminium hydroxide and the preparation thereof - Patent 4482542
The process of preparation according to the present invention gives a hydroxide mixture or a hydroxide/oxide mixture in which the strong basicity of the magnesium hydroxide or oxide component is initially fully masked by the aluminium hydroxide gel precipitated from the solution so that this only acts slowly.
For the process of preparation, it is immaterial whether the aluminium sulphate in solution is added to a slurry of the magnesium hydroxide or magnesium oxide or whether the reverse procedure is used and the magnesium hydroxide or oxide slurry is introduced into the solution of the aluminium sulphate.
Aluminium sulphate octadecahydrate are dissolved in 750 g.
www.freepatentsonline.com /4482542.html   (3512 words)

  
 Alumina (Aluminium Oxide) - The Different Types of Commercially Available Grades
Most of the aluminium oxide produced commercially is obtained by the calcination of aluminium hydroxide (frequently termed alumina trihydrate or ATH).
Aluminium oxide exists in many forms, a, c, h, d, k, q, g, r; these arise during the heat treatment of aluminium hydroxide or aluminium oxy hydroxide.
Aluminium hydroxide has a wide range of uses, such as flame retardants in plastics and rubber, paper fillers and extenders, toothpaste filler, antacids, titania coating and as a feedstock for the manufacture of aluminium chemicals, e.g.
www.azom.com /details.asp?ArticleID=1389   (0 words)

  
  Aluminium in Medicine & Water   (Site not responding. Last check: )
Aluminium hydroxide is widely used as an antacid to relieve gastric irritation and assist in the healing of peptic ulcers.
The enhancement of diphtheria toxoid by the adjuvant (beneficial additive) aluminium hydroxide is typical of the use of an aluminium salt to increase the level and duration of immunity afforded by a vaccine.
Aluminium sulphate (alum) is widely used in the purification of waste water as well as water from rivers, lakes and reservoirs.
www.world-aluminium.org /applications/medicine/index.html   (334 words)

  
 Fire protectants - Patent 5034056
The ratio of aluminium hydroxide to calcium borate can be such, for example, that 25 to 70% by weight of aluminium hydroxide, relative to the weight of aluminium hydroxide+calcium borate, are present.
The aluminium hydroxide and the calcium borate are in general present in finely divided form.
100 parts of aluminium hydroxide, 140 parts of colemanite and 1.4 parts of pyrogenic silicic acid were jointly ground for 24 hours in a ball mill.
www.freepatentsonline.com /5034056.html   (0 words)

  
 657. Aluminium (WHO Food Additives Series 24)
Aluminium concentration of bone, blood or brain from rats fed aluminium citrate or aluminium hydroxide with citric acid was increased above water or citric acid controls (blood aluminium values for citric acid fed rats were not given).
Influence of aluminium on metabolism of phosphorous Groups each of 10 mice were maintained on a diet containing 160 ppm or 355 ppm aluminium (as the chloride) for a period of 40 days, and the phosphorous balance studied during the last six days.
Boegman, R.J. & Bates, L.A. Neurotoxicity of aluminium.
www.inchem.org /documents/jecfa/jecmono/v024je07.htm   (12052 words)

  
 Aluminium   (Site not responding. Last check: )
The aluminium oxide is released from the other substances in bauxite in a caustic soda solution, which is filtered to remove all insoluble particles.
After calcination, the end-product, aluminium oxide (Al2O3), is a fine grained white powder.Four tonnes of bauxite are required to produce two tonnes of alumina which in turn produces one tonne of aluminium at the primary smelter.
At regular intervals, molten aluminium tapped from the pots is transported to the cast house where it is alloyed in holding furnaces by the addition of other metals (according to the user’s needs), cleaned of oxides and gases, and then cast into ingots.
www.energymanagertraining.com /aluminium/Aluminium.htm   (1933 words)

  
 WHO | Aluminium in drinking-water
Aluminium nitrate was administered by gavage to groups of pregnant Sprague-Dawley rats on day 14 of gestation through day 21 of lactation at doses of 0, 13, 26, or 52 mg of aluminium per kg of body weight per day.
Aluminium nitrate was administered by intubation to male Sprague-Dawley rats at 0, 13, 26, or 52 mg of aluminium per kg of body weight per day for 60 days prior to mating and to virgin females for 14 days prior to mating, with treatment continuing throughout mating, gestation, parturition, and weaning of the litters.
Aluminium hydroxide (57 mg of aluminium per kg of body weight) given with lactic acid (570 mg/kg of body weight) to mice by gavage was not toxic, but aluminium lactate (57 mg of aluminium per kg of body weight) produced developmental toxicity, including poor ossification, skeletal variations, and cleft palate (Colomina et al., 1992).
www.who.int /water_sanitation_health/dwq/wsh0304_53/en/index6.html   (1248 words)

  
 Reference.com/Encyclopedia/Aluminium hydroxide
Aluminium hydroxide is included as an adjuvant in some vaccines, since it contributes to induction of a good antibody (Th2) response.
Because the brain lesions found in Alzheimer's disease contain aluminium, there is concern that consumption of excess aluminium compounds may cause or contribute to the development of this and other neurodegenerative diseases (Perl, 2006, Kawahara, 2005).
In addition, elevated aluminium levels in blood, resulting from kidney dialysis with well water containing high aluminium, result in dementia that is similar to but probably different from that of Alzheimer's disease (Carpenter, 2001).
www.reference.com /browse/wiki/Aluminum_hydroxide   (0 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: )
Aluminium hydroxide is produced in the Bayer process as an intermediate in the production of aluminium metal.
Aluminium hydroxide is included as an adjuvant in some vaccines, since it contributes to induction of a good antibody (Th2) response.
Because the brain lesions found in Alzheimer's disease contain aluminium, there is concern that consumption of excess aluminium compounds may cause or contribute to the development of this and other neurodegenerative diseases (Perl, 2006, Kawahara, 2005).
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=aluminium_hydroxide   (389 words)

  
 Aluminium
Powdered aluminium and rust in the approximate ratio of 1:3 are packed in a refractory crucible with a magnesium ribbon, or a powder of magnesium and barium peroxide, to ignite it.
Aluminium can be protected by a thick layer of oxide made by electrolysis, a process called "anodizing." The surface is first thoroughly cleaned and degreased in trichloroethylene, or by electrolysis, where the aluminium is the cathode and the grease driven off by the evolved hydrogen.
Aluminium sulphate is found in nature as the rare mineral Kalinite, which is soluble in water, so it is found only near volcanoes and such places where it is make by the action of sulphuric acid on clays, such as on Lipari, near Vesuvius, and a few places in Germany and South America.
www.du.edu /~jcalvert/phys/alumin.htm   (4695 words)

  
 Diseases Associated with Aluminium Intoxication---H. Tomlinson, M.B.
Aluminium in such is not in potency form, but as an aluminium protein combination which is harmless.
The intestinal intoxication produced by aluminium is a potent factor in upsetting the gland balance, and it is the ability to produce this effect which gives aluminium its part in being one of the causes of cancer.
Keens states that aluminium is not a natural constituent of animal tissue, and that it is only in recent dines that increasing amounts of aluminium have been found in human tissues.
www.whale.to /y/aluminium.html   (4124 words)

  
 ALUMINIUM
Aluminium does not occur free in nature, but it widely distributed in combine state.
Aluminium Nitride is treated with hot water to form glatinous white precipates of Aluminium hydroxide.
When electric current is passed through the impure aluminium goes into the middle layer as all leaving impurities and the pure aluminium is deposited at the top of molten flourides at cathode.
www.awamimarkaz.com /education/members/NOTES/CHEMXII/Aluminium.asp   (551 words)

  
 bodykind - Natural Health Products - Threelac - Lumie Bodyclock - UK Supplier
Aluminium hydroxide acts as an antacid and is most commonly used in the treatment of heartburn, gastritis, and
Aluminium hydroxide is found in a variety of antacids.
However, when people with normal kidney function take aluminium hydroxide for extended periods of time, it is possible to deplete phosphorus to unnaturally low levels.
www.bodykind.com /healthnotes.asp?org=boxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack%2Cboxblack&contentid=1309009   (813 words)

  
 HEALTH HAZARDS OF ALUMINIUM
Because of the widespread distribution of aluminium compounds through food and drink intake and the air that we breathe in, exposure to it is unavoidable.
Normal ingestion of aluminium in the diet is about 3mg/day to 5 mg/day, of which only about 15 microgram is absorbed through the wall of the gastrointestinal tract.
Another important route of exposure to aluminium is through the contamination of fluids used in parenteral nutrition therapy, particularly in patients with renal impairment.
www.prn2.usm.my /mainsite/bulletin/sun/1995/sun37.html   (864 words)

  
 Alu-Cap
Aluminium hydroxide decreases the acidity of the stomach's juices by binding to and neutralising excess acid.
Aluminium hydroxide is also used as a phosphate binder in situations where there is too much phosphate in the blood, for example in kidney failure.
Aluminium hydroxide is not recommended for use as an antacid in children.
www.netdoctor.co.uk /medicines/100000085.html   (0 words)

  
 NRDC Technology offer-ALUMINIUM HYDROXIDE GEL POWDER (IP Grade)
Aluminium sulfate solution is allowed to react at controlled rate with soda ash at controlled pH and moderate agitation..
Aluminium hydroxide (Gel) I.P. is used as an antacid and protective in the treatment of peptic ulcers.
Aluminium hydroxide is generally used in combination with other similar chemicals like Magnesium hydroxide and Magnesium trisilicate in the form of powder or paste, depending upon the final product i.e.
www.nrdcindia.com /pages/alhydrex.htm   (0 words)

  
 Aluminium hydroxide - Patient UK
Aluminium hydroxide works as an antacid by neutralizing excess acid in the stomach.
To prevent indigestion, aluminium hydroxide is usually taken between meals and at bedtime.
If you have been prescribed aluminium hydroxide for the management of kidney disease you must keep your regular appointment with your doctor so your progress can be monitored.
www.patient.co.uk /showdoc/30002451   (0 words)

  
 aluminium (US: aluminum)
Aluminium is too high in the electrochemical series (reactivity series) to extract it from its ore using carbon reduction.
Molten aluminium is syphoned out of the cell from time to time, and new aluminium oxide added at the top.
There is a reaction between the aluminium oxide and the cryolite to produce a range of complex ions involving aluminium, oxygen and/or fluorine.
www.chemguide.co.uk /inorganic/extraction/aluminium.html   (1620 words)

  
 Aluminium Hydroxide Indications   (Site not responding. Last check: )
In combination with synergistic magnesium compounds aluminium hydroxide is one of the most frequently used antacids.
Since magnesium and aluminium have an opposite effect on the intestinal transit, constipation or diarrhea can often be avoided.
Aluminium hydroxide can also be used against diarrhea (without magnesium!).
www.infomed.org /100drugs/aluind.html   (157 words)

  
 Aluminum Hydroxide
Aluminum hydroxide acts as an antacid and is most commonly used in the treatment of heartburn, gastritis, and peptic ulcer.
Aluminum hydroxide is found in a variety of antacids.
However, when people with normal kidney function take aluminum hydroxide for extended periods of time, it is possible to deplete phosphorus to unnaturally low levels.
www.publix.com /wellness/notes/Display.do?id=Drug&childId=Aluminum_Hydroxide   (0 words)

  
 Chemistry : Periodic Table : aluminium : key information
Small and large samples of aluminium foil, sheet, wire, rod and tube like this (and aluminium alloy in rod form) can be purchased via their web catalogue from Advent Research Materials via their web catalogue.
Aluminium is an abundant element in the earth's crust, but it is not found free in nature.
Aluminium would not mormally be made in the laboratory as it is so readily available commercially.
www.webelements.com /webelements/elements/text/Al/key.html   (0 words)

  
 Germany 21 August 1997 Appellate Court Köln (Aluminium hydroxide case) [translation available]
In this case, notice was given after the aluminum hydroxide provided by the seller had been placed in a large silo along with other shipments (and the buyer could not substantiate that all materials herein were provided by the seller).
The allegation of the [buyer] that the fact that the aluminum hydroxide was unserviceable for the production of glass could not be inferred from a darker coloring and the formation of lumps, was put forward decidedly for the first time in the appellate procedure.
It is mentioned in the minutes that several entities of glass were examined that showed defects which were due to the usage of unsuitable aluminum hydroxide and that all of the examined glasses contained a lump of aluminum hydroxide.
cisgw3.law.pace.edu /cases/970821g1.html   (3015 words)

  
 AUFBAU1 [METALS: ALUMINIUM & ZINC COMPOUNDS]
Aluminium and zinc are both used to test for the presence of nitrate ions.
Aluminium chloride and zinc phosphide are both prepared directly by heating their respective elements.
Aluminium hydroxide is used as a coagulating agent in helping to remove suspended solids from domestic water supplies.
www.wissensdrang.com /auf1az.htm   (680 words)

  
 Aluminium Hydroxide, Actal, Algedrate, Alu-Cap, Aludrox Liquid - buynotshy.co.uk Healthnotes
Aluminium hydroxide acts as an antacid and is most commonly used in the treatment of heartburn, gastritis, and
Aluminium hydroxide is found in a variety of antacids.
However, when people with normal kidney function take aluminium hydroxide for extended periods of time, it is possible to deplete phosphorus to unnaturally low levels.
www.buynotshy.co.uk /healthnotes/healthnote.cfm?ContentID=1309009   (627 words)

  
 Numark | Aluminum Hydroxide
Aluminium hydroxide acts as an antacid and is most commonly used in the treatment of
Aluminium hydroxide is found in a variety of
Intake of 950 mg calcium citrate greatly elevates aluminium absorption.
www.numarkpharmacists.com /hn/Drug/Aluminum_Hydroxide.htm   (825 words)

  
 Aluminium hydroxide
Aluminium hydroxide is most commonly used as an antacid in a variety of preparations.
Aluminium hydroxide is also used in cases where there is too much phosphate in the blood, such as in individuals with renal failure.
Aluminium binds to phosphate found in the gut.
www2.netdoctor.co.uk /medicines/100000091.html   (0 words)

  
 Aluminium Ions in Aluminium Hydroxide, Phosphate and Soil–Water Systems
Aluminium Ions in Aluminium Hydroxide, Phosphate and Soil–Water Systems
Division of Soils, Commonwealth Scientific and Industrial Research Organization, Adelaide, South Australia.
IN recent years attention has been given to the solubility of aluminium phosphates in soils.
www.nature.com /nature/journal/v188/n4755/abs/1881049a0.html   (0 words)

  
 Sol-Gel Gateway Forum: different phases of aluminium hydroxide
I want to know the different phases that forms while heating the precursors for aluminium hydroxide.
Above 1200°C most of aluminum hydroxides transforms to alpha-alumina which is the high temperature stable phase.
The type and the structure of the phase appearing under heat treatment below 1100°C depends strongly on the initial aluminum hydroxide precursor.
www.solgel.com /sgforum/forum_posts.asp?TID=468   (230 words)

  
 Macrophagic myofasciitis lesions assess long-term persistence of vaccine-derived aluminium hydroxide in muscle -- ...
A spatial correlation is observed on the elemental maps for aluminium and phosphorus.
hydroxide increases survival of macrophages and synergizes the
Brewer JM, Conacher M, Hunter CA, Mohrs M, Brombacher F, Alexander J. Aluminium hydroxide adjuvant initiates strong antigen-specific Th2 responses in the absence of IL-4 and IL-13-mediated signaling.
brain.oxfordjournals.org /cgi/content/full/124/9/1821   (4506 words)

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