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perrhenic

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perrhenic
perrhenic, a. Chem. (pəˈriːnɪk) [f. per-1 5 b + rhenium + -ic.] perrhenic acid, a strong acid, HReO4, which is known only as a colourless aqueous solution and is an oxidizing agent.1929 Chem. Abstr. XXIII. 1833 Yellow oxide, Re2O7,..is water sol[uble], hygroscopic, forming a strong acid, perrhenic a... Oxford English Dictionary
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Perrhenic acid
Rhenium can be dissolved in nitric or concentrated sulfuric acid to produce perrhenic acid. Properties The structure of solid perrhenic acid is . Perrhenic acid catalyses the dehydration of oximes to nitriles. Other uses Perrhenic acid is also used in the manufacture of x-ray targets. wikipedia.org
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Perrhenate
Perrhenate, like its conjugate acid perrhenic acid, features rhenium in the oxidation state of +7 with a d0 configuration. These salts are prepared by oxidation of rhenium compounds with nitric acid followed by neutralization of the resulting perrhenic acid. wikipedia.org
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pertechnetic
pertechnetic, a. Chem. (ˌpɜːtɛkˈniːtɪk) Also -technic (-ˈtɛknɪk). [f. per-1 5 b + technetium n. + -ic1.] pertechnetic acid, the acid HTcO4 , produced by dissolving technetium in bromine water.1952 Jrnl. Amer. Chem. Soc. LXXIV. 557/1 It appears..that the dark red crystals formed on evaporating aqueou... Oxford English Dictionary
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Gallium perrhenate
Preparation Gallium can be anodically dissolved in perrhenic acid at 50-55 °C, and dried with sulfuric acid to obtain the hydrate crystal [Ga(H2O)6(ReO4 wikipedia.org
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Gadolinium perrhenate
It can be obtained by dissolving an excess of gadolinium oxide in a perrhenic acid solution (240 g/L) in the presence of hydrogen peroxide, from which wikipedia.org
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Scandium perrhenate
Preparation and properties Scandium perrhenate can be obtained by reacting perrhenic acid with scandium oxide. wikipedia.org
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Neodymium perrhenate
It can be obtained by reacting excess neodymium oxide with 240 g/L perrhenic acid solution. wikipedia.org
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Potassium perrhenate
Preparation Potassium perrhenate can be produced by the neutralization of potassium hydroxide and perrhenic acid. wikipedia.org
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Ammonium perrhenate
Ammonium perrhenate (APR) is the ammonium salt of perrhenic acid, NH4ReO4. It is the most common form in which rhenium is traded. wikipedia.org
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Oxotrichlorobis(triphenylphosphine)rhenium(V)
Synthesis ReOCl3(PPh3)2 is commercially available, but it is readily synthesized by reaction of perrhenic acid with triphenylphosphine in a mixture of HReO4 + 3 HCl + 3 PPh3 → ReOCl3(PPh3)2 + Ph3PO + 2 H2O The required perrhenic acid solution can be prepared in situ from rhenium(VII) oxide. wikipedia.org
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Rhenium heptafluoride
It hydrolyzes under a base to form perrhenic acid and hydrogen fluoride: ReF7 + 4H2O → HReO4 + 7HF With fluoride donors such as CsF, the anion is formed wikipedia.org
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Rhenium(III) iodide
Rhenium(III) iodide can be synthesized by the decomposition of rhenium(IV) iodide: Another way to make it is by introduction of ethanol into a mixture of perrhenic wikipedia.org
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Rhenium tetraiodide
Synthesis Rhenium tetraiodide can be obtained via the reduction of perrhenic acid with hydrogen iodide: Physical properties Rhenium tetraiodide forms wikipedia.org
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Rhenium trioxynitrate
This compound reacts with water to produce perrhenic acid and nitric acid. wikipedia.org
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