آخرین محصولات
Recovering Bi and Sb from electrolyte in copper electrorefining
The separation of antimony and bismuth in copper electrorefining is somewhat difficult and costly. An ion-exchange technique for the removal of the metals from the electrolyte has been practiced recently, although the metals recovered require further processing. Sumitomo Metal Mining has developed a process to recover antimony and bismuth …
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Electrochemical recovery of antimony and bismuth from …
Further, among all the antimony and bismuth used around the world only 20% is recycled. China contributes to 90% of antimony and 75% of bismuth production …
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Corrosion Investigations of Materials in Antimony–Tin and Antimony
Except for those three kinds of max-phases, all test materials were ground before exposure. All specimens were fixed on an Al 2 O 3 holder by Mo wires and then exposed to liquid Sb 3 Sn 7 and SbBi 9, respectively.. The used facility for this corrosion test is the COSTA facility in the Institute of High power and Microwave Technology/Karlsruhe …
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Antimony-bismuth alloying: the key to a major boost in …
Herein, we introduce antimony (III) (Sb3+) into the octahedral lattice sites of CABI, leading to CABI-Sb with larger crystalline domains than CABI. The Sb3+ alloying with bismuth (III) (Bi3+) induces …
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Arsenic, Antimony and Bismuth
Antimony exists in five forms in addition to the ordinary α-form. The chapter describes the physical properties of the α-rhombohedral form of arsenic, antimony, and …
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Halides of Phosphorus, Arsenic, Antimony, and Bismuth
Publisher Summary. This chapter focuses on simple halides of phosphorus, arsenic, antimony, and bismuth; compounds that also contain other elements. These compounds fall into two large groups according to whether the central atom has an oxidation state of +5 or +3. Both simple and complex halides are known in each of these groups.
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A series of Antimony(III) and Bismuth(III) pnictogen bonding (PnB) triaryl‐based anion receptors demonstrate PnB anion binding strength is influenced …
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Simultaneous determination of trace arsenic, antimony, bismuth …
A new and sample technique for the simultaneous determination of trace arsenic, antimony, bismuth and selenium in biologic samples by hydride generation-four-channel nondispersive atomic fluorescence spectrometry was development. The conditions of instrumentation and hydride generation of arsenic, antimony, bismuth and selenium …
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Donor-Stabilized Antimony(I) and Bismuth(I) Ions: Heavier …
A Multidimensional Approach to Carbodiphosphorane–Bismuth Coordination Chemistry: Cationization, Redox-Flexibility, and Stabilization of a Crystalline Bismuth Hydridoborate. Inorganic Chemistry 2022, 61 (48), 19452-19462.
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Electrochemical synthesis of 2D antimony, bismuth …
Two-dimensional (2D) group-VA layered nanomaterials have broad application prospects due to their unique physical and chemical properties and functional structures and have been receiving increasing attention in …
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Removal of Antimony and Bismuth from Copper Electrorefining
Antimony and bismuth are two of the most problematic impurities in copper electrorefining. As a result, much research has been done investigating the ways to remove them. Processes that are currently being used industrially include anode additions, liberators, ion exchange (IX), and solvent extraction (SX). Of these, liberators and anode …
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Electrochemical synthesis of 2D antimony, bismuth and their compounds
The mass production of high-purity or special-function 2D antimony, bismuth and their compounds is important in promoting basic research and industrial applications. Amongst the most advanced synthetic methods at present, electrochemical exfoliation is a promising method, which is low cost, environmentally friendly and involves simple operation ...
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Group 15: General Properties and Reactions
Bismuth is a poor metal (one with significant covalent character) that is similar to both arsenic and antimony. Bismuth is commonly used in cosmetic products and medicine. Out of the group, bismuth has the lowest electronegativity and ionization energy, which means that it is more likely to lose an electron than the rest of the Group 15 elements.
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Carbene chemistry of arsenic, antimony, and bismuth: origin, …
The discovery of the first isolable N-heterocyclic carbene in 1991 ushered in a new era in coordination chemistry. The remarkable bonding properties of carbenes have led to their rapid proliferation as auxiliary ligands for a wide range of transition metals and main group elements. In the case of group 15, w Dalton Transactions up-and-coming articles …
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Do bismuth complexes hold promise as antileishmanial drugs?
Bismuth sits below antimony in the periodic table and is considered to be relatively nontoxic to humans while being capable of providing powerful antimicrobial activity. This review describes recent efforts into developing antileishmanial Bi (III) and Bi (V) drugs, which may resemble Sb analogs in effect and mode-of-action while providing lower ...
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Antimony-bismuth alloying: the key to a major boost in the …
Herein, we introduce antimony (III) (Sb3+) into the octahedral lattice sites of CABI structure, leading to CABI-Sb with substantially larger crystalline domains than CABI. The alloying of Sb3+ with bismuth (III) (Bi3+) induces changes in the local structural symmetry, in turn causing a remarkably increased formation energy of intrinsic defects.
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Biological Chemistry of Arsenic, Antimony and Bismuth
Share Share. About this book. Arsenic, antimony and bismuth, three related elements of group 15, are all found in trace quantities in nature and have interesting biological properties and uses. While arsenic is most well known as a poison - and indeed the contamination of groundwater by arsenic is becoming a major health problem in Asia …
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Antimony and bismuth as antimicrobial agents
Antimony and bismuth are found in group 15 of the periodic table and although surrounded by toxic heavy metals (e.g., Tl, Sn, Pb, As) are of great importance …
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Antimony and Bismuth Control in Copper Electrolyte by Ion
Abstract. Antimony and bismuth are two of the elements that need to be removed from copper electrolyte to ensure a trouble free operation as well as to maintain copper cathode purity. One method to control these impurities is the use of aminophosphonic ion exchange resins. Antimony is present as both Sb (III) and Sb (V).
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C, N-chelated antimony and bismuth complexes; oxidation and
Section snippets Results and discussion. Based on our previous studies and synthetic procedures [18], we prepating antimony and bismuth complexes bearing the imino-based C,N-chelating ligand (L).These complexes, ranging from LEX 2 (E = Sb, Bi; X = Cl or Ph) to LPh 2 ECl 2 and LSbCl 4, were treated with various reagents in order to …
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Material Characterization and Monte Carlo Simulation of …
The results show that non-lead materials are basically composed of antimony and bismuth. The commercial material with the lowest density showed insufficient attenuation performance, hence it should not be proposed for lightweight apron production. The simulation results indicated also
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CERTAIN PHYSICAL PROPERTIES OF SINGLE CRYSTALS OF TUNGSTEN, ANTIMONY
CERTAIN PHYSICAL PROPERTIES OF SINGLE CRYSTALS OF TUNGSTEN, ANTIMONY, BISMUTH, TELLURIUM, CADMIUM, ZINC, AND TIN was published in Volume III Collected Experimental Papers, Volume III on page 1851.
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Bismuth: Environmental Pollution and Health Effects
Before sharing sensitive information, make sure you're on a federal government site. The site is secure. ... The determination of metals (antimony, bismuth, lead, cadmium, mercury, palladium, platinum, tellurium, thallium, tin and tungsten) in urine samples by inductively coupled plasma-mass spectrometry. International Archives of ...
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Antimony, bismuth, and mercury occurrences in Alaska
Share sensitive information only on official, secure websites. Menu. USGS Publications Warehouse; Explore. Explore recent publications by USGS authors ... Antimony, bismuth, and mercury occurrences in Alaska: Series title: Mineral Investigations Resource Map: Series number: 11: DOI: 10.3133/mr11: Edition-Year Published: 1960: Language:
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Antimony(V) and Bismuth(V) Complexes of Lapachol: Synthesis, …
The compounds contain six-coordinated antimony and bismuth atoms. The antimony(V) complex is a monomeric derivative, (Lp)(Ph 3 Sb)OH, and the bismuth(V) complex is a dinuclear compound bridged by an oxygen atom, (Lp) 2 (Ph 3 Bi) 2 O. Both compounds inhibited the growth of a chronic myelogenous leukemia cell line and the …
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Thermoelectric properties of P-type antimony bismuth telluride …
@article{osti_409699, title = {Thermoelectric properties of P-type antimony bismuth telluride alloys prepared by cold pressing}, author = {Navratil, J and Stary, Z and Plechacek, T}, abstractNote = {Sb{sub 2{minus}x}Bi{sub x}Te{sub 3} (x = 0.43--0.51) thermoelectric materials were prepared by the powder metallurgy method. The effects of …
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Cytotoxicity and In Vitro Antileishmanial Activity of Antimony (V
Before sharing sensitive information, make sure you're on a federal government site. The site is secure. ... water. Elemental analyses were carried out using a Perkin-Elmer 240 Elemental Analyzer. Atomic absorption analyses of bismuth, antimony and tin contents were carried out on a Atomic Absorption Spectrophotometer …
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New material shares many of graphene's unusual …
The material, a thin film of bismuth-antimony, can have a variety of different controllable characteristics, the researchers found, depending on the ambient temperature and pressure, the material's …
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Electronegativities of nitrogen, phosphorus, arsenic, antimony and bismuth
The most probable electro- negativity values for trivalent states are 3-04 for nitrogen, 2"19 for phosphorus, 2.18 for arsenic, 2.06 for antimony and 2.16 for bismuth. Acl, nowle@ement--We wish to express our appreciation to the Research Corporatffon for funds uw, d in the purchase of chemicals and equipment.
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15.14B: Arsenic, Antimony, and Bismuth Sulfides
Organoelement compounds of group 15. Organic chemistry of non-metal phosphorus, metalloids such as arsine and antimony along with metallic element bismuth is termed as organoelement chemistry. The importance given to organoarsenic compounds earlier due to their medicinal values was waded out after antibiotics were discovered and …
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