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Niobic acid - a new heterogeneous catalyst for processes in petrochemical and organic syntheses

F A Chernyshkova 1
F A Chernyshkova
1 NPO "Lenneftekhim", St. Petersburg
Published 30 November 1992
Communication , Volume 62, Issue 8, 743-749
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Chernyshkova F. A. Niobic acid - a new heterogeneous catalyst for processes in petrochemical and organic syntheses // Russian Chemical Reviews. 1993. Vol. 62. No. 8. pp. 743-749.
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Chernyshkova F. A. Niobic acid - a new heterogeneous catalyst for processes in petrochemical and organic syntheses // Russian Chemical Reviews. 1993. Vol. 62. No. 8. pp. 743-749.
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TY - JOUR
DO - 10.1070/RC1993v062n08ABEH000044
UR - https://rcr.colab.ws/publications/10.1070/RC1993v062n08ABEH000044
TI - Niobic acid - a new heterogeneous catalyst for processes in petrochemical and organic syntheses
T2 - Russian Chemical Reviews
AU - Chernyshkova, F A
PY - 1993
DA - 1992/11/30
PB - ANO Editorial Board of the journal Uspekhi Khimii
SP - 743-749
IS - 8
VL - 62
ER -
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@article{1993_Chernyshkova,
author = {F A Chernyshkova},
title = {Niobic acid - a new heterogeneous catalyst for processes in petrochemical and organic syntheses},
journal = {Russian Chemical Reviews},
year = {1993},
volume = {62},
publisher = {ANO Editorial Board of the journal Uspekhi Khimii},
month = {Nov},
url = {https://rcr.colab.ws/publications/10.1070/RC1993v062n08ABEH000044},
number = {8},
pages = {743--749},
doi = {10.1070/RC1993v062n08ABEH000044}
}
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Chernyshkova, F. A.. “Niobic acid - a new heterogeneous catalyst for processes in petrochemical and organic syntheses.” Russian Chemical Reviews, vol. 62, no. 8, Nov. 1993, pp. 743-749. https://rcr.colab.ws/publications/10.1070/RC1993v062n08ABEH000044.
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Abstract

Questions associated with the application of niobium compounds in catalysis are considered. Niobic acid Nb2O5.nH2O contains an appreciable amount of water, but its surface exhibits a high acidity – equivalent to the acidity of 70% sulfuric acid. This unusual solid acid manifests not only a high activity and sensitivity but also an appreciable stability as a catalyst in reactions in which water is present or is evolved (condensation, hydration, dehydration, and esterification). It may be used also as a catalyst in other reactions. The structure and properties of the surface of niobic acid are examined. The bibliography includes 54 references.

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