Studies of the Synthesis of Large VAPO-5 Crystals and Incorporation of Vanadium Ions
Collection of Czechoslovak Chemical CommunicationsPublished 1 January 1992
J. Kornatowski, Mikhail Sychev, W. H. Baur, G. G. Finger
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Abstract
The molecular sieve VAPO-5 has been synthesized hydrothermally in form of large crystals up to 660 μm in length. They have been used as a model substance for the study of vanadium incorporation into the framework. Our results show that vanadium was incorporated into the framework though in relatively small amounts. The results are in agreement with earlier findings for powder preparations of VAPO-5, except for the oxidation state of the vanadium ions and its stability. These conclusions agree with those arrived at previously for vanadium silicate KVS-5.
Keywords
ChemistryMaterials ScienceChemical Engineering