Talc - Wikipedia
Talc, or talcum, is a clay mineral composed of hydrated magnesium silicate, with the chemical formula Mg3Si4O10(OH)2. Talc in powdered form, often combined with corn starch, is used as baby powder. This mineral is used as a thickening agent and lubricant. It is an ingredient in ceramics, paints, and roofing material.
Talc | H2Mg3O12Si4 | CID 26924 - PubChem
Talc | H2Mg3O12Si4 | CID 26924 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
Talc | Definition, Uses, & Facts | Britannica
2024年11月29日 · Talc, common silicate mineral that is distinguished from almost all other minerals by its extreme softness. Its soapy or greasy feel accounts for the name soapstone given to compact aggregates of talc and other rock-forming minerals.
Talc | 14807-96-6 - ChemicalBook
2024年11月1日 · Talc is a mineral composed of hydrated magnesium silicate with the chemical formula H2Mg3 (SiO3)4 or Mg3Si4O10 (OH)2. Talc is used in many industries such as paper making, plastic, paint and coatings, rubber, food, electric cable, pharmaceuticals, cosmetics. talc adds softness and sliding ability to a cosmetic formulation.
The Mineral Talc: Uses, Properties, Photos - Geology.com
Talc is a hydrous magnesium silicate mineral with a chemical composition of Mg 3 Si 4 O 10 (OH) 2. Although the composition of talc usually stays close to this generalized formula, some substitution occurs.
Talc | Properties, Formation, Occurrence and Uses Area - Geology …
2023年8月25日 · Talc’s chemical formula is Mg3Si4O10(OH)2, which represents its basic composition of magnesium, silicon, and oxygen atoms arranged in sheets or layers. These layers are weakly bonded, giving talc its characteristic softness and easy cleavage into thin sheets. The mineral usually appears as a pale green, white, gray, or colorless substance.
Talc | FDA - U.S. Food and Drug Administration
Talc is a naturally occurring mineral, mined from the earth, composed of magnesium, silicon, oxygen, and hydrogen. Chemically, talc is a hydrous magnesium silicate with a chemical formula of...
Talc Mineral Data
Talc. Comments: White Talc pseudomorphous after quartz. Location: Johannezeche, Bavaria, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Talc - Imerys
Talc is a hydrated magnesium silicate. Talc deposits form from the transformation of high magnesium rocks by siliceous hydrothermal fluids. Most talc originates from the alteration of dolomite or ultramafic intrusive rocks. Following this process, talc is always found in combination with other mineral(s).
Talc - ScienceDirect
1994年1月1日 · In pharmaceutics, talc is used as a glidant for improved powder flow and as a lubricant in tablet formulations. Because of its insolubility, it is employed as a filling and dispensing medium. Talc is also used extensively in the cosmetic industry in face, body, and foot powders, as well as in aerosol formulations.
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