Authors:
N. Dutta Saha Institute of Nuclear Physics Nuclear Chemistry Division I/AF Bidhannagar 700 064 Calcutta India

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D. Bhattacharyya Saha Institute of Nuclear Physics Nuclear Chemistry Division I/AF Bidhannagar 700 064 Calcutta India

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Abstract  

A study of fixation of molybdenum on crystalline zirconia was carried out. Molybdenum ions was co-precipitated with zirconium hydroxide at pH-9 and a maximum of ≈39 wt% of molybdenum was found to be incorporated. The mixed material was calcined separately at 800 and 1000°C in a pelletized form and the leachabilities for molybdenum were determined by Soxhlet refluxing at 97°C for 7 days at regular interval, which were found to be negligibile, in the order of 10−3 g m−2 d−1. The analysis of the composite materials by X-ray powder diffraction patterns revealed that molybdenum was fixed in the crystalline lattice of baddeleyite type of mineral of zirconia forming new phases of monoclinic and hexagonal forms of Zr(MoO4)2 which co-existed with a small amount of MoO3 besides baddeleyite.

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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)