Synthesis of perrhenic acid using ion exchange method

Application of Ion Exchange for Preparation of Selected Metal Perrhenates—Precursors for Superalloy Production

“…Perrhenic acid (IMN, Gliwice, Poland), containing 900.0 g/dm 3 Re, <20 ppm NH 4 + , 10 ppm Cr, <10 ppm K, 10 ppm Ni, 8 ppm Co, <5 ppm Mo, <5 ppm Pb, 4 ppm Al, <3 ppm Ca, <3 ppm Cu, <3 ppm Fe, <3 ppm Mg, <3 ppm Zn, <2 ppm As, <2 ppm Bi was used as a rhenium source [10][11][12]. Nickel(II), cobalt(II), chromium(III) nitrates and/or sulphates (Alfa Aesar Chemat, Gdańsk, Poland) were used as sources of other metals.…”

Single Crystals of CaNa[ReO4]3: Serendipitous Formation and Systematic Characterization

“…In order to specifically synthesize CaNa[ReO 4 ] 3 on target, firstly perrhenic acid was generated via cation exchange analogously to literature procedure [41] Crystallographic Studies: A polarization microscope was used to select a suitable single crystal of the title compound, which was subsequently sealed into a thin-walled glass capillary for the single-crystal X-ray diffraction experiments. Afterwards, the capillary was mounted on a Nonius κ-CCD diffractometer equipped with a Mo-K α radiation source (λ = 71.07 pm), a graphite monochromator and a CCD detector.…”

Method of Preparation for High-Purity Nanocrystalline Anhydrous Cesium Perrhenate

“…High-purity perrhenic acid, prepared in the Institute of Non-Ferrous Metals (IMN) in Gliwice using the ion-exchange method, was used as a rhenium source [29][30][31]. Its chemical composition was as follows: 100.0 g/dm 3 Re and <20 ppm ammonium ions and <2 ppm As; <2 ppm Bi, <3 ppm Zn, <3 ppm Mg, <3 ppm Cu, <5 ppm Mo, <5 ppm Ni, <5 ppm Pb, <10 ppm K, <3 ppm Ca, <3 ppm Fe, <3 ppm Al, <5 ppm Co [10][11][12].…”