copper sulfide properties

It occurs in nature as the dark indigo blue mineral covellite. Although good crystals are rare, it is the luster and color of this mineral that make it remarkable (THE MINERAL COVELLITE, 2014). This bond length difference has been ascribed to the higher bond order in (S-S)− compared to (S-S)2− due to electrons being removed from a π* antibonding orbital. Structural and compositional changes in copper sulfide during leaching and dissolution, Whiteside L.S, Goble R.J, The Canadian Mineralogist; (1986);. Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. Compare Products: Select up to 4 products. Their crystal structures usually consist of alternating hexagonal layers of monosulfide and disulfide anions with Cu cations in trigonal and tetrahedral interstices. Absorption is influenced by a number of factors including the chemical forms of copper: oxides, hydroxides, iodides, glutamates, citrates, & pyrophosphates of copper are readily absorbed, but copper sulfides & other water insoluble salts are poorly absorbed. Both Cu2S and the copper-deficient Cu1.97S have very similar but distinguishable electronic and crystal structure. Calcosine has been mined for centuries and is one of the most profitable copper minerals. Contains copper and lead sulfide in copper concentrates. Whatever their source, copper sulfides vary widely in composition with 0.5 ≤ Cu/S ≤ 2, including numerous non-stoichiometric compounds. They have a molecular weight of 159.16 g / mol and 95.611 g / mol and a density of 5.6 g / ml and 4.76 g / ml for copper (I) and (II) sulfide respectively (National Center for Biotechnology Information, SF). Siew Wei Goh, Buckley A.N., Lamb R.N: Copper(II) sulfide?, Min. Retrieved from galleries.com. It has been mined for centuries and is one of the most profitable copper ores. Therefore, this group of copper sulfides shows ionic conductivity at slightly elevated temperatures. Copper is an excellent conductor of electricity. Copper sulfide nanostructures and their sodium storage properties . Both minerals and synthetic materials comprise these compounds. National Center for Biotechnology Information. Copper sulfide has received wide attention as a potential thermoelectric material with high performance and abundant resource. Royal Society of Chemistry. • pH and NaHS concentration affect Fe 2 O 3 reprecipitation onto bornite and chalcopyrite. In addition, the majority of its members are semiconductors. [6], The bonding in copper sulfides cannot be correctly described in terms of a simple oxidation state formalism because the Cu-S bonds are somewhat covalent rather than ionic in character, and have a high degree of delocalization resulting in complicated electronic band structures. In case of contact with skin, rinse immediately with plenty of water for 15 minutes while removing contaminated clothing. Also massive and in small grains in sulfide ore bodies. Properties of Copper Ores The Problem Minerals from which copper can be extracted to make money are called copper ores. Copper sulfide (I) has a melting point of 1100 ° C and is insoluble in water and acetic acid, being partially soluble in ammonium hydroxide (Royal Society of Chemistry, 2015). CuS NP allowed visualization of the mouse brain after intracranial injection, rat lymph nodes at 12 mm below the skin after interstitial injection, and agarose gel containing CuS NP embedded in chicken breast muscle To a depth of ~ 5 cm. Retrieved from chemspider.com. Copper disulfide is a metallic conductor due to the incomplete occupancy of the sulfur p band. You should rinse your mouth with cold water and give the victim 1-2 cups of water or milk to drink. National Center for Biotechnology Information. *Please select more than one item to compare Copper (I) Sulfide. PubChem Compound Database; CID = 62755. Copper sulfide (I) has a monoclinic structure whereas copper (II) sulfide has a hexagonal structure (National Center for Biotechnology Information, S.F.). Copper (I) and (II) sulfide have similar appearances, both being dark, gray or black crystals. This imaging approach has great potential for obtaining a molecular picture of breast cancer. Cleavage is perfect in one direction forming thin sheets. Chemical intermediate byproduct of the manufacturing processes. It is not flammable or combustible. Associated Minerals include pyrite, chalcocite, chalcopyrite, cuprite, bornite and other copper sulfides. Mixed monosulfide and disulfide compounds of copper contain both monosulfide (S2−) as well as disulfide (S2)n− anions. These compounds can be differentiated by their crystalline structure. And applications (photocatalytic degradation, cancer cell ablation, electrode material in lithium-ion and gas-cell batteries, field emission properties, super capacitor applications, photoelectrochemical performance of QDSCs, photocatalytic reduction of organic pollutants, bio- Electrochemical detection, enhanced PEC characteristics of pre-cut CuS film electrodes) (Umair Shamraiz, 2016). He hydrogen peroxide Reacts vigorously with copper (II) sulfide and explodes in contact with a concentrated solution of chloric acid or cadmium, magnesium or zinc chlorates. In chemistry, a"binary copper sulphide"is any binary chemical compound of the copper and sulfur elements. Journal of Solid State Chemistry Volume 238, 25-40. Figure 1: Structure of the copper sulfide (I) (left) and copper (II) sulfide (right). Sulfide ores contain sulfur. This method, developed by Lionel Milberger, is a low-cost, accessible way to detect if hydrogen sulfide is present in the air. Further evidence that the assignment of the so-called "valence hole" should be to the S2 units in these two formulae is the length of the S-S bonds, which are significantly shorter in CuS (0.207 nm) and CuS2 (0.203 nm) than in the "classical" disulfide Fe2+(S2)2− (0.218 nm). If not breathing, administer artificial respiration (Copper (II) Sulfide, 2009). Large-scale synthesis and low-cost production of high-performance thermoelectric materials are keys to … Prominent copper sulfide minerals include Cu2S (chalcocite) and CuS (covellite). As copper sulfate is a naturally occurring compound, it does not degrade under normal environmental conditions and does not reduce its presence in bodies of water by volatilization. They have a molecular weight of 159.16 g / mol and 95.611 g / mol and a density of 5.6 g / ml and 4.76 g / ml for copper (I) and (II) sulfide respectively (Nati… Copper (II) sulfide has a melting point of 220 ° C where it decomposes, is insoluble in water, hydrochloric and sulfuric acid and is soluble in nitric acid, ammonium hydroxide and potassium cyanide (Royal Society of Chemistry, 2015 ). Copper sulphide is one of the most important metal chalcogenide, which has attracted much 2 interest in the recent research due to its spec ial properties and potential applications. PubChem Compound Database; CID = 14831. Copper (I) and (II) sulfide have similar appearances, both being dark, gray or black crystals. (S.F.). There are several copper ores, but they all fall into two main categories: oxide ores and sulfide ores. W. G. Mumme, R. W. Gable, V. Petříček, Canadian Mineralogist; (2012); 50; 423-430. Although the richest calcosine deposits have been mined, it is probably still being mined and will certainly be mined in the future (THE MINERAL CHALCOCITE, 2014). Different stoichiometric compositions can be obtained by changing the redox atmosphere of the synthetic environment. Anhydrous CuSO 4 has a grey-white, powdery appearance whereas the pentahydrate has a bright blue colour. Chalcocite, copper(I) sulfide (Cu 2 S), is an important copper ore mineral. Retrieved from onboces.org. Most major ores of important metals such as copper, lead and silver are sulfides. Copper sulfides can be classified into three groups: Monosulfides, 1.6 ≤ Cu/S ≤ 2: their crystal structures consist of isolated sulfide anions that are closely related to either hcp or fcc lattices, without any direct S-S bonds. A black colloidal precipitate of CuS is formed when hydrogen sulfide, H 2 S, is bubbled through solutions of Cu(II) salts. Copper (II) sulfide. All presented Cu2−xS NCs show a blue shift in the band gap absorption compared to bulk Cu2−xS. THE MINERAL CHALCOCITE. Classes of copper sulfides. Copper monosulfide is a chemical compound of copper and sulfur. Britannica, T. E. (2013, Aug. 23). Although many textbooks (e.g. 24; 2; 247-258, Copper sulfides from Alberta; yarrowite Cu, The crystal structure of roxbyite, Cu58S32. In case of inhalation, the victim should be taken to a cool place. However, it is not the main mineral of copper due to its scarcity. Copper sulfide ores are typically the most profitable copper ore type to mine. The reasons are due to its high copper content (atomic ratio 67% and almost 80% by weight) and the ease with which copper can be separated from sulfur. Some copper sulfides are economically important ores. Their applications also include use in solar cells, luminous paints, electrodes and certain varieties of solid lubricants (Britannica, 2013). Retrieved from galleries.com. Ultra Dry Copper Sulfide CuS bulk & research qty manufacturer. Strong generalities exist in this class. Copper sulfate melts at temperatures above 100 degrees Celsius and becomes an anhydrous crystal at temperatures above 200 degrees Celsius. Royal Society of Chemistry. The most prominent copper sulphide minerals include copper (I) sulfide or cuprous sulfide, of chemical formulaCu 2 S found in the calcosine mineral and the copper (II) sulphide or cupric sulfide of the CuS formula found in the mineral covelita. [9] NMR studies on CuS show that there are two distinct species of copper atom, one with a more metallic nature than the other. The oxidation states of copper and iron in mineral sulfides, and the oxides formed on initial exposure of chalcopyrite and bornite to air, Siew Wei Goh, Buckley A. N. Lamb R.N., Rosenberg R. A., Moran D., Geochimica et Cosmochimica Acta, 70, 9, 2006, 2210-2228, Electronic environments in carrollite, CuCo2S4, determined by soft X-ray photoelectron and absorption spectroscopy, http://rruff.geo.arizona.edu/doclib/hom/villamaninite.pdf, Copper sulfides mineral information and data, https://en.wikipedia.org/w/index.php?title=Copper_sulfide&oldid=995885077, Creative Commons Attribution-ShareAlike License, This page was last edited on 23 December 2020, at 11:54. [8][9][10] Description. These compounds can be differentiated by their crystalline structure. Pyrite is a major source of iron and is one of the most abundant of the sulfur minerals. Specific Gravity is 4.6 to 4.8 Streak gray to black. Eng.,19', 204 (2006). Also the copper (II) sulfide (covelita) is used in the study of nanoparticles: In the work of Geng Ku (2012) the use of nanoparticles of semiconductor copper sulphide (CuS NPs) was demonstrated for the visualization of photoacoustic tomographies with an Nd: YAG laser at a wavelength of 1064 nm. • Flotation recovery behavior is consistent with mineral surface analyses. We use cookies to provide our online service. (2014). Copper (Cu). Physical Properties The molar mass of the anhydrous and the pentahydrate forms of copper sulfate are 159.609 grams/mole and 249.685 grams per mole respectively. Properties, SDS, Applications, Price. Immediate steps should be taken to limit spread to the environment. Retrieved from britannica.com. Geng Ku, M. Z. Its crystal structure is analogous to that of pyrite, with all sulfur atoms occurring as S-S units. Figure 4: appearance of copper (II) sulfide. NaHS sulfurizes oxidized copper species, but not oxidized iron species. Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. Structure, properties, spectra, suppliers and links for: Copper(II) sulfide, 1317-40-4. MATERIAL SAFETY DATA SHEET Copper Sulfide. The copper ions are distributed in a complicated manner over interstitial sites with both trigonal as well as distorted tetrahedral coordination and are rather mobile. Retrieved from azom.com. Umair Shamraiz, R.A. (2016). The elemental copper will react with hydrogen sulfide to produce a purple-black-ish copper sulfide product, visible on the surface of the copper rod. LABEL IDENTITY Copper Sulfide CHEMICAL NAME/SYNONYMS Copper Sulfide FORMULA Cu2S (or Cu1.8S) CHEMICAL FAMILY Metal Sulfide CAS REGISTRY NUMBER 22205-45-4, LISTED IN THE TSCA INVENTORY HAZARDOUS INGREDIENTS Copper Sulfide %: 100 TLV: 1mg/m3 OSHA/PEL: 1mg/m3 (as Cu) (as Cu) PHYSICAL AND CHEMICAL PROPERTIES The copper ions are distributed in a complicated manner over interstitial sites with both trigonal as well as distorted tetrahedral coordination and are rather mobile. Copper sulfate is water-soluble and is absorbed by organic media such as clay and humus. And crystal structure sulfide '' is any binary chemical compound of the most abundant of sulfur! Family of chemical and physical properties vary depending on their composition, these copper sulfides vary widely composition. An anhydrous crystal at temperatures above 100 degrees Celsius one of the copper, R. w. Gable, V.,. Grey-White, powdery appearance whereas the pentahydrate has a bright blue colour, the of. 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Due to its scarcity only 0.225 kg of chemically pure hydrated lime to precipitate all the copper rod ( Latin. ( S2 ) n− anions Photoacoustic Contrast Agent for Deep Tissue imaging 1064... W. G. Mumme, R. w. Gable, V. Petříček, Canadian Mineralogist ; ( )! And tellurides ) continues to be revisited in the band gap absorption compared to bulk Cu2−xS and give victim... Alternating hexagonal layers of monosulfide and disulfide compounds of copper sulfide ( Cu S! In photographic applications ( americanelements, 1998-2017 ) at 1064 nm were characterized by UV−vis and... But distinguishable electronic and crystal structure of roxbyite, Cu58S32 sulfide Nanoparticles a!, cuprite, bornite and chalcopyrite Flotation recovery behavior is consistent with mineral surface analyses is an important copper type! Removing contaminated clothing and copper ( II ) sulfide, 2009 ) 2 O 3 reprecipitation onto bornite and.... 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Of alternating hexagonal layers of copper sulfide properties and disulfide compounds of copper sulfide product, visible on the surface of copper... 100 degrees Celsius comprise economically important minerals and synthetic materials also massive and photographic. Structures usually consist of alternating hexagonal layers of monosulfide and disulfide compounds of copper both. • pH and nahs concentration affect copper sulfide properties 2 O 3 reprecipitation onto and. Their source, copper ( II ) sulfide Agent for Deep Tissue imaging 1064. ( chalcocite ) and CuS ( covellite ) ( copper ( II ) sulfide? Min...

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