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Define antimony. antimony synonyms, antimony pronunciation, antimony translation, English dictionary definition of antimony. n. Symbol Sb A metallic element having two allotropic forms: a hard, extremely brittle, lustrous, bluish-white, crystalline material and a gray amorphous...
But pharmaceutical uses of antimony have a long history. In the ancient world it was known primarily in the form of its black sulphide ore, called stibnite, which the Greek physician Dioscorides recommended for skin complaints in the first century AD. The Egyptians, meanwhile, used stibnite as a cosmetic, applying it as a form of mascara.
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The mission of the International Antimony Association (i2a) is to conduct studies and to disseminate information concerning the safety and benefits of antimony.
Mar 10, 2016· While found in over 100 different mineral forms, stibnite (SbS 3), an antimony-bearing ore, is the only source for metallic antimony to be commercially mined. Since antimony is …
Antimony ore products are most popular in Africa, Oceania, and Northern Europe. You can ensure product safety by selecting from certified suppliers, including 154 with ISO9001, 102 with Other, and 13 with OHSAS18001 certification.
Antimony is chalcophile, occurring with sulfur and the heavy metals, lead, copper, and silver. Over a hundred minerals of antimony are found in nature. Stibnite (Sb 2 S 3) is the predominant ore mineral of antimony. The most important use of antimony metal is as a hardener in lead for storage batteries.
AM Stats: Chinese antimony trioxide producers' sales-to-production ratio down by 4.74% MOM in Jan [02-19] AM Stats: Chinese ... Manganese Ore. Steel Raw Materials. Coal. Coke. Iron. Iron Ore. Steel Billet. Steel Scrap. Industrial Minerals. Boron. Phosphorus. Sulphur. Carbon …
Antimony's electrical and thermal conductivity are lower than most metals' conductivities. Antimony is a brittle, fusible, crystalline solid. It is easily powdered. Antimony also has the unusual property that (like water) it expands as it freezes. Four other elements expand …
Antimony Ore any of the natural mineral formations containing antimony in compounds and concentrations that make commercial use technically and economically feasible. Of the antimony ores proper, the major mineral is antimonite (Sb2S3), which contains up to 71.4 percent Sb; in rare cases, antimony ores are represented by complex sulfides of antimony ...
Antimony is a silvery-white metal that is found in the earth's crust. Antimony ores are mined and then mixed with other metals to form antimony alloys or combined with oxygen to form antimony oxide.Little antimony is currently mined in the United States.
Antimony is sometimes found as an element, but normally it is found as stibnite, an antimony sulfide mineral. Stibnite is the main ore of antimony. China is the biggest maker of antimony; it makes 84% of all antimony.
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Antimony is sometimes found natively, but more frequently it is found in the sulfide stibnite (Sb2S3) which is the predominant ore mineral. Usages The largest applications for metallic antimony are as alloying material for lead and tin and for lead antimony plates in lead-acid batteries.
Antimony: Antimony, a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table). Antimony exists in many allotropic forms. It is a lustrous, silvery, bluish white solid that is very brittle and has a flaky texture. It occurs chiefly as the gray sulfide mineral stibnite.
Historical Examples. of antimony. Or write with a solution of muriate of antimony, and smear the writing over with a feather dipped in a solution of galls.
The problem discussed in this antimony process study is limited to a concentrator capable of beneficiating 150 tons per day of antimony ore. The antimony in this study occurs as the mineral stibnite (Sb2S3) in association with small amounts of pyrite, arsenopyrite, galena and lead sulfantimonides. The gangue is composed largely of quartz but ...
Antimony (atomic number 51 and atomic weight 121.75) is located in period 5, group 11 (or VA), of the periodic table of the elements and is, in appearance, a lustrous tin-white metal. Although it …
Antimony(III) oxide is the inorganic compound with the formula Sb 2 O 3. It is the most important commercial compound of antimony. ... The choice of process depends on the composition of the ore and other factors. Typical steps include mining, crushing and grinding of ore, ...
The ore antimony trisulfide (Sb 2 S 3) was used in the form of a paste as a cosmetic, in ancient Egypt and the Middle East. An antimony-laden artifact dated 3000 BCE was discovered in Tello, Chaldea (presently in Iraq).
Antimony - A thick 1.5cm seam of silvery course crystalline Native Antimony in Calcite. This piece comes with two labels, the oldest is from the Collection of Martin L. Ehrmann, a prominent world traveling collector and dealer in the mid 20th century.
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The most significant antimony mineral deposits occur in geologic environments with a thick sequence of siliciclastic sedimentary rocks in areas with significant fault and fracture systems. The most common antimony ore mineral is stibnite (Sb2 S3 ), but more than 100 other minerals also contain antimony.
2.The oxide antimony ore can refer to the above specification and should be reduced the price by the Sb content. The cost of smelting antimony oxide ore is higher than the antimony sulfide ore. Pricing regulation refer to Group's price list. 3.
Antimony rarely occurs free in nature, but its ores are widely distributed. The principal ore is stibnite, a sulfur compound known since early times; there are extensive deposits in China. Antimony is often found in other ores as well, e.g., silver, copper, and lead.
Antimony compounds are prominent additives for chlorine- and bromine-containing fire retardants found in many commercial and domestic products. An emerging application is the use of antimony in microelectronics. Shipment/storage. Ore concentrate or residue of the element antimony. A high density lead-grey mineral, subject to black tarnish.
The approx half-time for the initial phase was about 40 hr for antimony trioxide, and 30 hr for antimony dust. ... Obtained from antimony ore minerals by a volatilization (roasting) process ... . O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Cambridge, UK: Royal Society of Chemistry, 2013., p. 121