Opening: 00AM - 24PM
New method developed for producing some metals - Phys

Aug 25, 2016 · The material they were using, antimony sulfide, is a molten semiconductor, which normally would not allow for the kind of electrolytic process that is used to .

Get Price
Rollan Swanson Inventions, Patents and Patent Applications ...

Abstract: Disclosed is a process for extracting antimony trioxide from antimony sulfide ore concentrate by solubility differential of the trioxide in lower alkanol solutions of sodium or potassium hydroxide and wherein the total amount of water contained in the concentrate, the alkanol and the hydroxide is not more than 26.52 volume percent of ...

Get Price
Antimony Recovery from End-of-Life Products and Industrial ...

The history of antimony goes back to as early as 3100 BC, when it was used by the Egyptians as cosmetic in the form of black Sb 2 S 3 [].Antimony was later used by alchemists in the form of antimony oxychloride SbOCl, which acted as a powerful emetic and thus became known as "mercury of life" or "algarot" [].The etymology of the current name "antimony" is still subject of discussion.

Get Price
Antimony separation process - Sunshine Mining Company

Mar 01, 1994 · The solutions remaining were low in antimony content and contained free sulfide ions, polysulfide, regenerated hydroxide ions, and sodium thiosulfate. As such, this was a good solution for recycle back to the leach. ... Also, in the described procedure, over supply of oxygen will not compromise the ability of the process to separate antimony ...

Get Price
Treatment of Antimony-Rich Waste Streams - pmf.unsa.ba

Antimony can also be found as an additive in car brake linings (in form of antimony(III) sulfide), in heads of safety matches, as a catalyst in some industrial processes (PET production) (Erosa 2008) and as a colorant for ceramics. ... achieved in separate facility. EXPERIMENTAL

Get Price
Rollan Swanson Inventions, Patents and Patent Applications ...

Abstract: Disclosed is a process for extracting antimony trioxide from antimony sulfide ore concentrate by solubility differential of the trioxide in lower alkanol solutions of sodium or potassium hydroxide and wherein the total amount of water contained in the concentrate, the alkanol and the hydroxide is not more than 26.52 volume percent of ...

[PDF]Get Price
Antimony trisulfide - Simple English Wikipedia, the free ...

Antimony trisulfide is a gray solid. It reacts with hydrochloric acid to make hydrogen sulfide and an antimony(III) compound. It dissolves in potassium hydroxide. It burns in air to make antimony(III) oxide and sulfur dioxide. It is a reducing agent. Occurrence. Stibnite is the mineral form of antimony trisulfide.

Get Price
Antimony Sulfide | AMERICAN ELEMENTS

About Antimony Sulfide Antimony Trisulfide is a moderately water and acid soluble Antimony source for uses compatible with sulfates. Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal.

Get Price
Antimony trisulfide - Wikipedia

Antimony trisulfide (Sb 2 S 3) is found in nature as the crystalline mineral stibnite and the amorphous red mineral metastibnite. It is manufactured for use in safety matches, military ammunition, explosives and fireworks. It also is used in the production of ruby-colored glass and in plastics as a flame retardant.

Antimony | Definition of Antimony by Merriam-Webster

Antimony definition is - stibnite. 2: a trivalent and pentavalent metalloid element with atomic number 51 that commonly occurs in a brittle, metallic, silvery white crystalline form and that is used especially in alloys, semiconductors, and flame-retardant substances — see Chemical Elements Table

Get Price
Separating antimony from gold - Gold Refining Forum

Sep 12, 2017 · Re: Separating antimony from gold Post by kjavanb123 » September 11th, 2017, 10:21 am Stibnite that I encountered during my mining era smelled like sufur, so it is sulfide of antimony, therefore it needs to be roasted in air to remove the sulfur.

Get Price
Silverado Gold Mines Ltd.: Exhibit 99.2 - Filed by ...

The antimony here acts the same and both the arsenic (arsenopyrite) and antimony (stibnite or antimony sulfide) are extremely rich in this area as well as is the actual gold ore we have discovered and are continuing to discover in these areas of high arsenic and antimony concentrations. - 20 -

Get Price
Iron and sulfur reaction- Learn Chemistry

This demonstration or class experiment shows the exothermic reaction of two elements, iron and sulfur, to form the compound, iron sulfide. The two solids are mixed and heated in a test-tube (or ignition tube). The reaction can be used to illustrate elements, mixtures and compounds.

Get Price
Antimony Trisulphide, Sb2S3 - Atomistry

Antimony Trisulphide, Sb 2 S 3, has been known from very early times, under a variety of names, such as antimonium crudum, grey antimony ore, antimony glance, antimony glass, stibnite.Until the eighteenth century it was frequently confused with antimony metal. It exists in at least three forms, a crystalline form and two amorphous forms, each of which may be obtained in a variety of ways.

[PDF]Get Price
Separation of Antimony from a Stibnite Concentrate Through ...

The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process.

Get Price
antimony | History - Students | Britannica Kids | Homework ...

antimony - History - The ancients were familiar with antimony both as a metal and in its sulfide form. Fragments of a Chaldean vase made of antimony have been estimated to date from about 4000 bc. The Old Testament tells of Queen Jezebel using the naturally occurring sulfide of antimony to beautify her eyes. Pliny, during the 1st century ad, wrote of seven different medicinal remedies using ...

Get Price
A hydrometallurgical process for the separation and ...

In this study, a comprehensive hydrometallurgical process for the separation and recovery of antimony from a complex stibnite concentrate was introduced . In this process, antimony can be recovered in the forms of Sb 2 O 3, high-purity cathode antimony, crude cathode antimony, high-purity SbOCl, high-purity antimony, and crude antimony (99%). A ...

Get Price
Which method is the most suitable for separating a mixture ...

Get an answer for 'Which method is the most suitable for separating a mixture of sodium chloride and iodine?A) crystallization,B) filtration,C) fractional distillation, D) sublimation?' and find ...

[PDF]Get Price
separate antimony from a stibnite concentrate through ...

May 10, 2017 · separate antimony from a stibnite concentrate through . how to process stibnite for antimony jorsa. Separation antimony from stibnite concentrate through a The antimony ore Flotation process is the process was applied to separate antimony from [More] Chat With Sales »

Get Price
ANTIMONY SULFIDE, SOLID | CAMEO Chemicals | NOAA

ANTIMONY SULFIDE presents a serious fire risk if exposed to oxidizing agents. Crystals burn with a blue flame when heated in air [Mellor 9:522 1946-47]. Emits toxic antimony and sulfur oxide fumes if heated to high temperatures. Reacts with concentrated solutions .

Get Price
CONFIRMATORY TESTS - Arizona State University

Antimony, Sb 3+ To 10 drops of solution, add 6 M NH 3 (aq) until neutral. Make the solution acidic by adding one or more drops of 6 M HCl. Add 1 mL of thioacetamide and stir well. Heat the test tube in the boiling water bath for 5 minutes. If antimony is present, a red orange precipitate of antimony sulfide .

[PDF]Get Price
Antimony - Wikipedia

Antimony is a chemical element with the symbol Sb (from Latin: stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb 2 S 3). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl.

  • Pronunciation: UK: /ˈæntɪməni/, (AN-tih-mə-nee), .Get Price