Authors:
S. ShakshookiBasic Scientific Research Center Secretariat of Education and Scientific Research and Nuclear Research Center Tripoli P.O. Box 13203 Libya Great Jamahiriya (GSPLAJ)

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N. NaqviBasic Scientific Research Center Secretariat of Education and Scientific Research and Nuclear Research Center Tripoli P.O. Box 13203 Libya Great Jamahiriya (GSPLAJ)

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L. SzirtesInstitute of Isotopes of the Hungarian Academy of Sciences P.O. Box 77 H-1525 Budapest (Hungary)

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S. KhalilBasic Scientific Research Center Secretariat of Education and Scientific Research and Nuclear Research Center Tripoli P.O. Box 13203 Libya Great Jamahiriya (GSPLAJ)

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M. MostaqBasic Scientific Research Center Secretariat of Education and Scientific Research and Nuclear Research Center Tripoli P.O. Box 13203 Libya Great Jamahiriya (GSPLAJ)

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Abstract  

Mixed crystalline zirconium-titanium arsenates ZrxTi(1–x) (HAsO4)2·H2O and harnium-titanium arsenates HfxTi(1–x) (HAsO4)2 H2O (where x=0–1) of various compositions with different Zr/Ti or Hf/Ti ratios have been prepared. The compounds have been characterized by X-ray, thermal analysis, chemical analysis, and pH-titrations. For powder X-rays, the compounds appear to be homogeneous crystalline materials with structures similar to -ZrP, -TiP or -ZrTiP. The thermograms show a loss of approximately two moles of H2O, followed by a small loss of O2 with probable formation of ZrO2, As2O3, HfO2, As2O3, ZrO2, As2O5, HfO2, As2O5 from which As2O3 and As2O5 are practically sublimed in two steps. The exchange capacities at r.t. are generally similar to -ZrP and -TiP but are found to be much lower in value.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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