Ferrocyanide molybdate, a new inorganic ion exchanger-I. Chemical composition and crystallographic structure

L. H. Baetslé; D. Van Deyck; D. Huys

doi:10.1016/0022-1902(65)80274-3

Ferrocyanide molybdate, a new inorganic ion exchanger-I. Chemical composition and crystallographic structure

L. H. Baetslé, D. Van Deyck, D. Huys

Research output › peer-review

Abstract

The product obtained after precipitation of H₄Fe(CN)₆ with Na₂MoO₄ in HCl solution displays selective ion exchange properties for Cs in acid media. By varying the ratio of the reagents a series of products may be obtained which have similar X-ray spectra. By combination of chemical analysis, density measurements and unit cell determinations two structural models have been found which fit the experimental X-ray data. The first, called "FeMo II", has the formula {H₄Fe(CN)₆]₅-[MoO₃(H₂O)_x]₁₂{ and the second, FeMo IV, may be written {[H₄Fe(CN)₆]₄MoO₃(H₂O)_x]₁₆{. A correlation is given between the chemical constitution of the unit cells, the ion-exchange capacity and the stability range of the products. The molybdenum isopolyacid mostly found in these investigations corresponds to a "Lindqvist" type structure with empirical formula [Mo₆O₆(OH)₁₆]⁸⁺.

Original language	English
Pages (from-to)	683-695
Number of pages	13
Journal	Journal of Inorganic and Nuclear Chemistry
Volume	27
Issue number	3
DOIs	https://doi.org/10.1016/0022-1902(65)80274-3
State	Published - Mar 1965

Funding

* Work performed under contract No. 028-62-4 RISB with the European Atomic Energy Community (Euratom). ~" D. Huvs and L. H. BAETSL~,J . Inor(. ~' L. H. BAE'rSt.\[P, atent SCK-CEN No.

Funders	Funder number
EURATOM - European Atomic Energy Community
Horizon Europe

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10.1016/0022-1902(65)80274-3

Cite this

@article{e1ed2ebedacc4e6ab7f2ecdf46603d9e,

title = "Ferrocyanide molybdate, a new inorganic ion exchanger-I. Chemical composition and crystallographic structure",

abstract = "The product obtained after precipitation of H4Fe(CN)6 with Na2MoO4 in HCl solution displays selective ion exchange properties for Cs in acid media. By varying the ratio of the reagents a series of products may be obtained which have similar X-ray spectra. By combination of chemical analysis, density measurements and unit cell determinations two structural models have been found which fit the experimental X-ray data. The first, called {"}FeMo II{"}, has the formula {H4Fe(CN)6]5-[MoO3(H2O)x]12{ and the second, FeMo IV, may be written {[H4Fe(CN)6]4MoO3(H2O)x]16{. A correlation is given between the chemical constitution of the unit cells, the ion-exchange capacity and the stability range of the products. The molybdenum isopolyacid mostly found in these investigations corresponds to a {"}Lindqvist{"} type structure with empirical formula [Mo6O6(OH)16]8+.",

author = "Baetsl{\'e}, {L. H.} and {Van Deyck}, D. and D. Huys",

year = "1965",

month = mar,

doi = "10.1016/0022-1902(65)80274-3",

language = "English",

volume = "27",

pages = "683--695",

journal = "Journal of Inorganic and Nuclear Chemistry",

issn = "0022-1902",

publisher = "Pergamon Press Ltd.",

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}

TY - JOUR

T1 - Ferrocyanide molybdate, a new inorganic ion exchanger-I. Chemical composition and crystallographic structure

AU - Baetslé, L. H.

AU - Van Deyck, D.

AU - Huys, D.

PY - 1965/3

Y1 - 1965/3

N2 - The product obtained after precipitation of H4Fe(CN)6 with Na2MoO4 in HCl solution displays selective ion exchange properties for Cs in acid media. By varying the ratio of the reagents a series of products may be obtained which have similar X-ray spectra. By combination of chemical analysis, density measurements and unit cell determinations two structural models have been found which fit the experimental X-ray data. The first, called "FeMo II", has the formula {H4Fe(CN)6]5-[MoO3(H2O)x]12{ and the second, FeMo IV, may be written {[H4Fe(CN)6]4MoO3(H2O)x]16{. A correlation is given between the chemical constitution of the unit cells, the ion-exchange capacity and the stability range of the products. The molybdenum isopolyacid mostly found in these investigations corresponds to a "Lindqvist" type structure with empirical formula [Mo6O6(OH)16]8+.

AB - The product obtained after precipitation of H4Fe(CN)6 with Na2MoO4 in HCl solution displays selective ion exchange properties for Cs in acid media. By varying the ratio of the reagents a series of products may be obtained which have similar X-ray spectra. By combination of chemical analysis, density measurements and unit cell determinations two structural models have been found which fit the experimental X-ray data. The first, called "FeMo II", has the formula {H4Fe(CN)6]5-[MoO3(H2O)x]12{ and the second, FeMo IV, may be written {[H4Fe(CN)6]4MoO3(H2O)x]16{. A correlation is given between the chemical constitution of the unit cells, the ion-exchange capacity and the stability range of the products. The molybdenum isopolyacid mostly found in these investigations corresponds to a "Lindqvist" type structure with empirical formula [Mo6O6(OH)16]8+.

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