Structural and spectral studies on gypsum crystals under simulated conditions of phosphoric acid production with and without organic and inorganic additives

Crystal Research and Technology

Volumn 38, Issue 6, 2003, Pages 433-439

  Rashad, M M ^a   Baioumy, H M ^a   Abdel Aal, E A ^a  

^a CENTRAL METALLURGICAL RESEARCH AND DEVELOPMENT INSTITUTE CMRDI   (Egypt)

Author keywords

Additives; Crystallinity; Dihydrate; Gypsum; IR; Phosphoric acid; X ray

Indexed keywords

ADDITIVES; CRYSTAL STRUCTURE; CRYSTALLINE MATERIALS; GYPSUM; PHOSPHORIC ACID;

GYPSUM CRYSTALS;

CRYSTALS;

EID: 0037590690     PISSN: 02321300     EISSN: None     Source Type: Journal    
DOI: 10.1002/crat.200310054     Document Type: Article

References (15)

1. P. Becker, Marcel Dekker, Inc., New York, 214 (1989).
2. E.V.D. Voort and P. Hartman, J. Crystal Growth. 112, 445 (1991)
3. A. E.Nielsen, J. Crystal Growth. 67, 289 (1984).
4. B. R. Smith and F. Sweett, J. Colloid and Interface Sci. 37, 612 (1971).
5. G. J. Witkamp and V. D. Eerden, J. Crystal Growth. 102, 281 (1990).
6. P.G. Klepetsanis and P.G. Koutsoukos, J. Colloid and Interface Sci. 143, 299 (1991).
7. S. Zhu, Ph.D. Thesis, University of Florida, U.S.A. 214 (1996).
8. S.T. Liu and G. H. Nancollas, J. Colloid and Interface Sci. 44, 422 (1973).
9. M. E. Tadros and I. Mayes, J. Colloid and Interface Sci. 72, 245 (1979).
10. S. He, J. E. Oddo, and M. B. Tomson, J. Applied Geochemistry 9, 561 (1994).
11. W.A. Deer, R.A.Howie and J.Zussman, Longmans, London, 466 (1967)
12. M. M. Rashad, Ph.D. Thesis, Ain-Shams University, Egypt 193 (2002).
13. G. Herzberg, New York 489 (1945).
14. S. Ramalingom, J. Podder, and S. N. Kalkura, Cryst. Res. Technol. 36, 1357 (2001).
15. J.R. Lehr, E.H. Brown, A.W. Frazier, J.P. Smith, and R.D. Thrasher, Chem. Engineer. Bulletin 6, 214 (1967).