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Topic: Talc


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In the News (Wed 17 Apr 19)

  
  Talc
Talc is practically insoluble in water and in weak acids and alkalis.
Talc-carbonate ore bodies are mainly composed of talc carbonate and traces of chlorite.  Carbonate is typically magnesite (magnesium carbonate) or dolomite (magnesium and calcium carbonate).
In pharmaceuticals, talc is an ideal excipient, used as a glidant, lubricant and diluent.
www.ima-na.org /about_industrial_minerals/talc.asp   (1032 words)

  
 TALC | Teaching-aids At Low Cost | Books and Educational Materials
Founded in 1965 by Professor David Morley CBE, Teaching-aids At Low Cost (TALC) is a unique charity whose main objective is to promote the health of children and advance medical knowledge and teaching in the UK and throughout the world by providing and developing educational material.
Help us to deliver up to date medical education to some of the poorest parts of the world.
There are many ways you can help TALC in our work.
www.talcuk.org   (212 words)

  
 Luzenac - Talc For The World
As world leader in our field, we are committed to setting the standards for the talc industry in such areas as innovation, technical assistance, product quality, health, safety and the environment, and ethical behavior.
With the widest talc product range and unsurpassed applications expertise, we are the only talc producer that can meet all end-use requirements worldwide.
Our mission is to create optimum value for all our stakeholders—customers, employees, shareholder and social partners—by remaining the talc supplier of choice with a commitment to excellence and responsibility.
rd.business.com /index.asp?epm=s.1&bdcq=Talc&bdcr=2&bdcu=http://www.luzenac.com/&bdcp=&partner=2662601&bdcs=nwuuid-2662601-2BA84367-384C-E251-FBFC-18634E1A59A9-ym   (126 words)

  
  Talcum Powder can cause cancer
A. Talc is a mineral, produced by the mining of talc rocks and then processed by crushing, drying and milling.
Talc is used in smaller quantities in deodorants, chalk, crayons, textiles, soap, insulating materials, paints, asphalt filler, paper, and in food processing.
Talc particles are able to move through the reproductive system and become imbedded in the lining of the ovary.
www.preventcancer.com /consumers/cosmetics/talc.htm   (579 words)

  
  Talc - Encyclopedia, History, Geography and Biography
Talc is a metamorphic mineral resulting from the metamorphism of magnesian minerals such as pyroxene, amphibole, olivine and other similar minerals in the presence of carbon dioxide and water.
Talc carbonated ultramafics are typical of many areas of the Archaean cratons, notably the komatiite belts of the Yilgarn Craton in Western Australia.
Talc is used in baby powder, an astringent powder used for preventing rashes on the area covered by a diaper (see diaper rash).
www.arikah.com /encyclopedia/Talc   (798 words)

  
 Talc Minerals,Talc Powder,Hydrated Magnesium Silicate,Talc Powder Uses
Talc is one of the most important industrial minerals and is the most common mineral for daily use as a body and face powder.
Talc is classified according to its colour (colour of the powder) and softness.
Talc is increasingly being used in the manufacture of artwares, jars, wall and floor tiles.
www.mineralszone.com /minerals/talc.html   (1710 words)

  
 Talc Manufacturers,Industrial Talc,Talc Mineral,Industrial Talc Exporters,India
Talc, Steatite and soapstone are terms used in the trade for the same material.
The value of industrial talc lies in its extreme softness, smoothness, slip and lubricating properties, high luster and sheen, chemical inertness, high fusion point, low conductivity to heat and electricity and hiding power as a pigment extender.
Talc India has installed facilities to coat talc with specific chemicals like stearic acid to improve the functional properties of the filler.
www.indiamart.com /talc   (547 words)

  
 USGS Minerals Infromation: Talc and Pyrophyllite
The mineral talc is a hydrous magnesium silicate.
Talc is used commercially because of its fragrance retention, luster, purity, softness, and whiteness.
Pyrophyllite is a hydrous aluminum silicate with a structure similar to talc.
minerals.usgs.gov /minerals/pubs/commodity/talc   (195 words)

  
 Product Label
The composition of the talc is =?95% talc as hydrated magnesium silicate.
Talc was statistically significantly superior to the control arms in evaluable patients across the studies.
Talc has no known antineoplastic activity and should not be used for potentially curable malignancies where systemic therapy would be more appropriate, e.g., a malignant effusion secondary to a potentially curable lymphoma.
www.accessdata.fda.gov /scripts/cder/onctools/labels.cfm?GN=talc   (1701 words)

  
 Talc
Talc is a hydrous magnesium silicate that has a basal cleavage, allowing it to occur in massive aggregates.
Talc also resists acid and is therefore useful for sinks and countertops in chemical laboratories.
Talc is characteristic of metamorphic rocks derived from dolomite rock and peridotite.
mmsd1.mms.nrcan.gc.ca /minerals/Min/talc.htm   (421 words)

  
 NTP: Abstract for TR-421 - Talc
Talc products are sold in a multitude of grades which have physical or functional characteristics especially suited for particular applications, so occupational and consumer exposures to talc are complex.
Talc was nominated by the National Institute of Occupational Safety and Health (NIOSH) for study by the NTP because of widespread human exposure and because of the lack of adequate information on its chronic toxicity and potential carcinogenicity.
Hyperplasia of the respiratory epithelium of the nasal mucosa in males and accumulation of cytoplasmic, eosinophilic droplets in the nasal mucosal epithelium in male and female rats occurred with a concentration-related increased incidence in the exposed groups.
ntp.niehs.nih.gov /index.cfm?objectid=0709BB4D-D4A2-78A0-F519C6ABAF22CDC1   (1890 words)

  
 talc.html   (Site not responding. Last check: )
FLORENCE COUNTY: Talc is a component of greenstone and greenschist in the Michigamme Slate in sec.
The talc is associated with serpentine, chlorite, brucite, pyrite, azurite, malachite, and octahedra of magnetite.
The talc was associated with serpentine, chlorite, actinolite, tremolite, pyrite, and octahedra of magnetite.
www.uwrf.edu /~wc01/talc.htm   (386 words)

  
 talc
Talc powder is used topically to ease skin inflammation, to comfort chapped skin, and to soothe irritating heat rash.
One side effect from over-dosing on talc is a compacted colon requiring hospitalization and painful excavation with a spoon to remove the mass from the rectum.
Industrially valuable, talc is mined primarily for its fire and acid resistance, as a poor conductor of electricity, and as a filler agent.
www.wwmag.net /talc.htm   (1505 words)

  
 Talc Resin for PP compounding
Talc also is used for linear low density polyethylene (LLDPE) antiblocking and as a nucleating agent in semicrystalline polymers.
Talc has a melting point at around 1500°C. Propane combustion from a lighter comes nowhere close to that heat (Around 500°C), so if this is pure, you should not see it melt.
Talc, when burned, emits a dim glow from the part immediately in the flame.
www.plasticscrap.us /talc_info_page.html   (587 words)

  
 Talc: Market overviews
Talc is one of a range of industrial minerals used in the manufacture of paper and its application, and relative importance to the industry varies greatly between regions.
Talc is used as an anti-caking coating both in feed bins and as a coating on the food itself.
Talc is used to improve the moisture resistance and to assist in the processing.
talc.amazonit.ru /eindex51.html   (4573 words)

  
 Koltex - talc
Talc KTB has slightly lower whiteness, contents of foreign materials are approx.
Major consumer of industrial minerals, the ceramics industry uses talc for "body" and glazing of porcelain, wall tiles, dinnerware, sanitaryware, electrical insulating, etc. Generally used talc with 80-93% whiteness.
Talc finds wide scope of usage in plastics from automotive industry, over computer bodies and garden furniture to plastic bags..
www.koltex.cz /talc.htm   (466 words)

  
 Ground talc ::: JSC Shabrovski Group of Talcmines
Shabrovski talc deposit and the factory are situated 27 km to the south of Ekaterinburg.
Talc homogeneity and degree of refinement have crucial influence on the quality of its applications in different industries.
As the volume of talc consumption is constantly increasing and ways of its application are expanding, the list of ways of applications is just exemplary, describing the most widely-spread kinds of application only.
uraltalc.ru /eng/prod.html   (680 words)

  
 Snow White Talc Mine
Talc production was first reported from the eastern Mojave in 1910, although the presence of large talc bodies had been noted as early as the late 1800's.
The talc horizon is truncated by a northeast-trending fault which has moved the talc-bearing beds 400 meters to the northeast along strike.
It is underlain by a diabase sill, by locally the talc is separated from the diabase by a layer of dolomite.
geology.csupomona.edu /drjessey/fieldtrips/kingston/snow.htm   (758 words)

  
 Talc Mineral,Pure Talc Mineral,Talc Mineral Supplier,India
Talc is a mineral that is mined in many different countries of the world and being a natural product its composition varies between occurrences.
The Fe³± ion of a chlorite talc is mainly linked to the chlorite- layer, where a part of the Al³+ is substituted.
The softness of talc is due to the fact that the layers can easily be shifted and separated.
www.functionalfillers.com /talc.html   (623 words)

  
 Talc Linked to Ovarian Cancer
Talc is a very fine substance, so fine it can be used as a “dry” lubricant.
Talc is chemically similar to asbestas, a known cancer causing substances.
TALC being similar to asbestos is not comforting, especially when used on babies and genital areas.
www.webdeb.com /cancer/talc.htm   (311 words)

  
 Talc geology
Talc is one of the common minerals in metamorphic rock.
Talc deposits differ according to the parent rock from which they are derived.
This reaction results in a talc which, depending on the composition of the parent rock, is either mineralogically pure or associated with minerals such as carbonates (both residual and reactional), quartz and chlorite.
www.luzenac.com /geology.htm   (594 words)

  
 Defining talc and its wide features.
Talc as a filler is used in paper making because of its rich properties.
Talc is a versatile mineral, widely used in various industrial applications.
The deposits located in the north of Rajasthan, are in massive form of the talc, primarily with the Platy particle shape with high chemical purity and reflectance values.
www.golchagroup.com /golcha_talc_whatistalc.htm   (199 words)

  
 Talc
Talc is found in some marbles and as an alteration product in mafic and ultramafic rocks.
Most of this view is talc; only minor tremolite is present in the lower right of the photo (showing 2nd order yellow interference colors in XP).
The talc, which has a dingy green color in the PP view shows extremely high order interference colors -- almost "pearl white" in the XP view.
www.und.nodak.edu /instruct/mineral/320petrology/opticalmin/talc.htm   (364 words)

  
 Talc   (Site not responding. Last check: )
Talc is a common silicate mineral that is distinguished from almost all other minerals by its extreme softness (it has the lowest rating [1] on the Mohs scale of hardness).
It is used as a filler in ceramics, paint, paper, roofing materials, plastic, and rubber; as a carrier in insecticides; and as a mild abrasive in the polishing of cereal grains such as rice and corn.
Talc is found as a metamorphic mineral in veins, in foliated masses, and in certain rocks.
www.csupomona.edu /~geology/alert/talc.htm   (247 words)

  
 Corporate Risk Management: New York State Tremolitic Talc and Asbestos
While Vanderbilt tremolitic talc is used only in industrial applications and is not a cosmetic grade talc, these reports fueled broad public perception that asbestos was a common contaminant in all talc.
The source of the asbestos was said to be Vanderbilt talc, which was used as a strengthening agent in the crayons.
A small number of talc deposits, mostly in the eastern parts of the USA, have been found to contain very unusual minerals that appear to consist of intimate mixtures of talc and anthophyllite, or talc and tremolite.
www.rtvanderbilt.com /nytalc.htm   (1261 words)

  
 Talc (Intrapleural-Local) - MayoClinic.com
Talc is used after the fluid has been drained out, to prevent the problem from returning.
The talc used for preventing fluid buildup in the lungs is a special grade of talc that has been sterilized (made germ-free).
Studies on use of talc in the area around the lungs have been done only in adult patients, and there is no specific information comparing this use of talc with use in other age groups.
www.mayoclinic.com /health/drug-information/DR203587   (575 words)

  
 FDA Approval for Talc - National Cancer Institute
For each study, talc slurry was compared with a concurrent control, using a
Adverse events (AEs) most frequently reported in the literature in association with intrapleurally administered talc slurry are fever and pain.
Talc should be administered after adequate drainage of the effusion.
www.cancer.gov /cancertopics/druginfo/fda-talc   (522 words)

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