Dissolution and reaction studies of CsZr/sub 2/(PO/sub 4/)/sub 3/ and Zr phosphates in aqueous media
Conference
·
· Mater. Res. Soc. Symp. Proc.; (United States)
OSTI ID:5961739
Cs dissolution kinetics for CsZr/sub 2/(PO/sub 4/)/sub 3/ in a variety of aqueous media at 70/sup 0/C approximately obeyed a first-order law. However in 0.1 M NaHCO/sub 3/, a t/sup 1/2/ law was appropriate. The Cs extraction was a minimum under neutral conditions. In the pH range of 1 to 4, the Cs extraction varied approximately as (H/sup +/)/sup 0/ /sup 3/ and was a stronger function of pH in alkaline media. The survival of ..cap alpha..-Zr phosphate gel in water at 300/sup 0/C was essentially confirmed. ZrP/sub 2/O/sub 7/ reacted sluggishly with water at 200 to 300/sup 0/C to produce an apparently fully protonated analogue of NaZr/sub 2/(PO/sub 4/)/sub 3/.
- Research Organization:
- Pennsylvania State Univ., University Park
- OSTI ID:
- 5961739
- Report Number(s):
- CONF-821107-Pt.1
- Conference Information:
- Journal Name: Mater. Res. Soc. Symp. Proc.; (United States) Journal Volume: 15
- Country of Publication:
- United States
- Language:
- English
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· Mater. Res. Soc. Symp. Proc.; (United States)
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OSTI ID:5962602
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Journal Article
·
Fri Dec 31 23:00:00 EST 1982
· Nucl. Chem. Waste Manage.; (United States)
·
OSTI ID:5415798
Thermal expansion of phosphates with the NaZr{sub 2}(PO{sub 4}){sub 3} structure containing lanthanides and zirconium: R{sub 0.33}Zr{sub 2}(PO{sub 4}){sub 3} (R = Nd, Eu, Er) and Er{sub 0.33(1–x)} Zr{sub 0.25x}Zr{sub 2}(PO{sub 4}){sup 3}
Journal Article
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Tue Sep 15 00:00:00 EDT 2015
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OSTI ID:22472142
Related Subjects
052002 -- Nuclear Fuels-- Waste Disposal & Storage
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
360205* -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
ALKALI METAL COMPOUNDS
ALKALI METALS
CESIUM
CESIUM COMPOUNDS
CESIUM PHOSPHATES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COLLOIDS
DATA
DISPERSIONS
DISSOLUTION
ELEMENTS
EXPERIMENTAL DATA
GELS
HYDROGEN COMPOUNDS
INFORMATION
KINETICS
METALS
NUMERICAL DATA
OXYGEN COMPOUNDS
PH VALUE
PHOSPHATES
PHOSPHORUS COMPOUNDS
REACTION KINETICS
TRANSITION ELEMENT COMPOUNDS
WATER
ZIRCONIUM COMPOUNDS
ZIRCONIUM PHOSPHATES
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
360205* -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
ALKALI METAL COMPOUNDS
ALKALI METALS
CESIUM
CESIUM COMPOUNDS
CESIUM PHOSPHATES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COLLOIDS
DATA
DISPERSIONS
DISSOLUTION
ELEMENTS
EXPERIMENTAL DATA
GELS
HYDROGEN COMPOUNDS
INFORMATION
KINETICS
METALS
NUMERICAL DATA
OXYGEN COMPOUNDS
PH VALUE
PHOSPHATES
PHOSPHORUS COMPOUNDS
REACTION KINETICS
TRANSITION ELEMENT COMPOUNDS
WATER
ZIRCONIUM COMPOUNDS
ZIRCONIUM PHOSPHATES