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MAHMOUD, K., ABO-ALY, M., ALI, M., EL-SHEIKH, A. (2006). RECOVERY OF NON-RADIOACTIVE TRI-SODIUM PHOSPHATE BY-PRODUCT THROUGH CONTROLLED ALKALI BREAKDOWN OF ROSETTA MONAZITE. Al-Azhar Bulletin of Science, 17(Issue 2-A), 43-52. doi: 10.21608/absb.2006.11652
KH. F. MAHMOUD; M. M. ABO-ALY; M. M. ALI; A. S. EL-SHEIKH. "RECOVERY OF NON-RADIOACTIVE TRI-SODIUM PHOSPHATE BY-PRODUCT THROUGH CONTROLLED ALKALI BREAKDOWN OF ROSETTA MONAZITE". Al-Azhar Bulletin of Science, 17, Issue 2-A, 2006, 43-52. doi: 10.21608/absb.2006.11652
MAHMOUD, K., ABO-ALY, M., ALI, M., EL-SHEIKH, A. (2006). 'RECOVERY OF NON-RADIOACTIVE TRI-SODIUM PHOSPHATE BY-PRODUCT THROUGH CONTROLLED ALKALI BREAKDOWN OF ROSETTA MONAZITE', Al-Azhar Bulletin of Science, 17(Issue 2-A), pp. 43-52. doi: 10.21608/absb.2006.11652
MAHMOUD, K., ABO-ALY, M., ALI, M., EL-SHEIKH, A. RECOVERY OF NON-RADIOACTIVE TRI-SODIUM PHOSPHATE BY-PRODUCT THROUGH CONTROLLED ALKALI BREAKDOWN OF ROSETTA MONAZITE. Al-Azhar Bulletin of Science, 2006; 17(Issue 2-A): 43-52. doi: 10.21608/absb.2006.11652

RECOVERY OF NON-RADIOACTIVE TRI-SODIUM PHOSPHATE BY-PRODUCT THROUGH CONTROLLED ALKALI BREAKDOWN OF ROSETTA MONAZITE

Article 3, Volume 17, Issue 2-A, December 2006, Page 43-52  XML PDF (197.12 K)
Document Type: Original Article
DOI: 10.21608/absb.2006.11652
Authors
KH. F. MAHMOUD* 1; M. M. ABO-ALY2; M. M. ALI1; A. S. EL-SHEIKH1
1Nuclear Materials Authority
2Ain Shams University
Abstract
The present paper deals with proper separation of trisodium phosphate as a valuable by product from the associated excess caustic soda of the reaction filtrate of controlled alkali breakdown of Rosetta monazite. Two procedures are applied for this purpose; namely a direct crystallization procedure of the phosphate product or else its salting out by using methanol.
XRD and IR analysis of the separated by-product indicated a structural formula of Na3PO4.12H2O. Analysis of the latter was revealed about 100 ppm uranium in the product separated by crystallization while that separated by methylation was completely exempt of uranium.  
Keywords
NON-RADIOACTIVE TRI-SODIUM PHOSPHATE
Main Subjects
Botany; Microbiology; Zoology
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