About: Rhenium(VII) sulfide
Rhenium(VII)-sulfid ist eine anorganische chemische Verbindung des Rheniums aus der Gruppe der Sulfide. (de) Rhenium(VII) sulfide is a chemical compound with the formula Re2S7. It can be produced through the reaction of ReO4− and H2S in 4N HCl. (en)
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Recognizing rhenium | Nature Chemistry
Rhenium catalysts are especially resistant to chemical attack from nitrogen, phosphorus and sulfur, which makes them useful in hydrogenation reactions in various industrial …
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About: Rhenium
Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table. With an estimated …
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About: Isotopes of rhenium
Naturally occurring rhenium (75Re) is 37.4% 185Re, which is stable (although it is predicted to decay), and 62.6% 187Re, which is unstable but has a very long half-life (4.12×1010 years). Among elements with a known stable isotope, only indium and tellurium similarly occur with a stable isotope in lower abundance than the long-lived radioactive …
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Wet Etching Rhenium
WET Chemical Etching Rhenium, Rhenium, a rare and valuable refractory metal, has gained widespread recognition for its extraordinary properties, including an exceptionally high melting point (3,180°C/5,756°F), excellent mechanical strength, and remarkable resistance to wear and corrosion. View our Rheniumetching production facility Types of …
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Rhenium | Re (Element)
Rhenium. Rhenium is a chemical element with symbol Re and atomic number 75. Classified as a transition metal, Rhenium is a solid at room temperature. 75. Re. Rhenium. Atomic Mass: 186.207 u: Electron Configuration [Xe]6s 2 4f 14 5d 5: Oxidation States +7, +6, +4: Year Discovered: 1925:
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Rhenium (Re)
Classified in the periodic table under the symbol Re, atomic number 75, atomic mass of X g.mol-1, and electron configuration [Xe]4f145d56s2, rhenium is an extremely hard, and very dense silvery-white metal. It reaches its boiling point at 5590°C, 10094°F, 5863 K, while its very high melting point is achieved at 3185°C, 5765°F, 3458 K.
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Metal Chemical Etching Rhenium
V&T Machining Excels in Precision with Metal Chemical Etching for Rhenium: In its continued pursuit of precision and innovation, V&T Machining unveils an optimized guide for metal chemical etching, this time focusing on Rhenium. Known for its exceptional properties, Rhenium finds applications in aerospace components, electronics, and high …
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Rhenium | Chemical Element, Alloying Agent
Rhenium (Re), chemical element, a very rare metal of Group 7 (VIIb) of the periodic table and one of the densest elements. Predicted by the Russian chemist Dmitry Ivanovich Mendeleyev (1869) as chemically …
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Rhenium – Discovery, Properties, Isotopes and Uses
Pointing the Chemical Properties of Rhenium. The electronic configuration is Xe X e 4f14 5d5 6s2. 75 is the atomic number of Rhenium. 3185°C, 5765°F and 3458 K is the Melting point. Atomic mass is 186.23 g.mol -1. The Relative atomic mass is 186.207. The Boiling point is 5590°C, 10094°F, and 5863 K.
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High-temperature diffusion in couple of chemical vapor …
By contrast, the chamber composed of a rhenium (Re) substrate with an iridium (Ir) oxidation barrier allows hours of operation up to 2200 °C only by radiation cooling, owing to their unique physical and chemical properties [2], [5]. Therefore the Ir coated Re (hereafter denoted as Ir/Re) composite material is considered as the most …
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Chemical vapour deposition of rhenium disulfide and rhenium …
Polycrystalline thin films of rhenium disulfide (ReS2) and the alloys Mo1−xRexS2 (0 ≤ x ≤ 0.06) have been deposited by aerosol-assisted chemical vapour deposition (AA-CVD) using [Re(μ-SiPr)3(SiPr)6] (1) and [Mo(S2CNEt2)4] (2) in different molar ratios at 475 °C. The deposited films were characterised by p-XR 2016 Journal of Materials Chemistry C …
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Rhenium and Rhenium Compounds
Rhenium forms a wide variety of compounds in oxidation states from −1 to +7. High oxidation state compounds are the most common, whereas the lower oxidation states are primarily metal carbonyls and derivatives. Polynuclear compounds that have strong metal-metal bonds are plentiful. Very little is know about the toxicity of rhenium or …
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Chemical vapour deposition of rhenium …
Elemental analysis of the rhenium sulfide thin films by energy dispersive X-ray (EDX) spectroscopy. Thin films of ReS 2 grown from Re(μ-S i Pr) 3 (S i Pr) 6 at 475 °C analysed as follows: Re 30%, S 70% giving a …
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Rhenium
It is also used as an electrical contact material as it resists wear and withstands arc corrosion. Rhenium catalysts are extremely resistant to poisoning (deactivation) and are used for the hydrogenation of fine chemicals. Some rhenium is used in nickel alloys to make single-crystal turbine blades. Biological role.
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Rhenium: Unveiling the Intriguing Properties and Applications
Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-white, rare metal that belongs to the group of transition metals.Rhenium has a high melting point and is one of the densest elements known. It is primarily used as an alloying agent in the production of superalloys, which are used in high-temperature …
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The potential––pH diagram for rhenium
The potential – pH diagrams for rhenium at 25 °C, air pressure of 1 bar and different activities of rhenium aqueous species are presented in Fig. 1, Fig. 2, Fig. 3, Fig. 4.The chemical and electrochemical equilibria are listed in Table 4.. Download : Download high-res image (629KB) Download : Download full-size image Fig. 1.
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Re(NO3)6 Compound Name, Molar Mass Calculation
Rhenium(VI) Nitrate. Formula: Re(NO3)6. Molar Mass: 558.2364. Re(NO3)6 Molar Mass Converter. Weight: Mole: Re(NO3)6 Molar Mass Conversion in Batch. Weight: Mole: Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data may be separated by semicolon (;), space, tab, or in separated lines. ... Chemical Elements ...
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Effect of concentration of rhenium and temperature on …
Fig. 2 illustrates the process of investigating the tensile effects on temperature on the mechanical properties of tungsten (W) and tungsten-rhenium (W-Re) alloys using the tensile testing method. The tensile test comprised three main stages: Elastic Stage: In this initial phase, samples were subjected to increasing stress, leading …
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Empirical Formula 23.12% Oxygen, 76.89% Rhenium
Finding the empirical formula of a substance with a percent composition of 23.12% Oxygen (O), 76.89% Rhenium (Re) requires just a few easy steps. 1. Determine the Molar Mass of Each Element. Using a periodic table, find the molar mass of each element. The the molar mass of an element is equal to the atomic weight. 2.
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About: Chemical element
A chemical element is a species of atoms that have a given number of protons in their nuclei, including the pure substance consisting only of that species. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by any chemical reaction. The number of protons in the nucleus is the defining property of an …
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Rhenium | Re | CID 23947
Rhenium (Re), the last naturally-occurring element to be discovered, was discovered in Germany in 1925. The process was so complicated and the cost so high that production was discontinued until early 1950 when tungsten-rhenium and molybdenum-rhenium alloys were prepared.
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Laboratory equipment | Scientific Innovation | lab …
About Us. Established in 1991, Rhenium is one of Israel's leading suppliers of Laboratory equipment, research and diagnostic equipment. We work with top-level manufacturers from around the world to import the best and …
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Rhenium (Re)
Rhenium is the 75th element in the periodic table and has a symbol of Re and atomic number of 75. It has an atomic weight of 186.207 and a mass number of 187. Rhenium has seventy-five protons and one hundred twelve neutrons in its nucleus, and seventy-five electrons in six shells. It is located in group seven, period six and block d of the ...
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Rhenium
Element Rhenium (Re), Group 7, Atomic Number 75, d-block, Mass 186.207. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
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C&EN: IT'S ELEMENTAL: THE PERIODIC TABLE
Rhenium, element 75 on the periodic table, belongs to the cluster of elements known as the transition group of elements. It was the last of the natural elements to be discovered, some 50 years after the introduction of the periodic table. It is a silvery white, rare, heavy, polyvalent transition metal. Chemically, it resembles manganese and is ...
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Rhenium
Rhenium - Periodic Table. 75. Re. Group. 7. Period. 6. Block. d. Protons. Electrons. Neutrons. 75. 111. General Properties. Atomic Number. 75. Atomic Weight. 186.207. Mass Number. 186. Category. Transition …
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About: Rhenium trioxide
Rhenium trioxide or rhenium(VI) oxide is an inorganic compound with the formula ReO3. It is a red solid with a metallic lustre that resembles copper in appearance. It is the only stable trioxide of the Group 7 elements (Mn, Tc, Re).
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Rhenium: Properties, Uses, and Applications – A …
The electron configuration of rhenium is [Xe] 4f¹⁴ 5d⁵ 6s². It has 5 electrons in its 5d subshell and 2 electrons in its 6s subshell. The electron configuration indicates that rhenium has a relatively stable electronic structure, which contributes to its resistance to corrosion and its overall chemical stability.
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Rhenium
Rhenium (chemical symbol Re, atomic number 75) is a silvery-white, lustrous, rare metal.Obtained as a byproduct of molybdenum refinement, it is among the ten most expensive metals on Earth.It is extremely resistant to wear and has one of the highest melting points of all elements. Its alloys with molybdenum or tungsten are …
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