scholarly journals Solubility of Calcium Sulphate in Aqueous Solutions of Sulphuric Acid

1903 ◽  
Vol 7 (8) ◽  
pp. 571-577 ◽  
Author(s):  
F. K. Cameron ◽  
J. F. Breazeale
Keyword(s):  
Aqueous Solutions ◽  
Sulphuric Acid ◽  
Calcium Sulphate

Coprecipitation of gadolinium with calcium sulphate dihydrate

2010 ◽  
Vol 98 (6) ◽  
Author(s):  
S. Bouhlassa ◽  
F. Selhamen
Keyword(s):  
Ionic Strength ◽  
Aqueous Solutions ◽  
Ambient Temperature ◽  
Sulphuric Acid ◽  
Elemental Analysis ◽  
Calcium Sulphate ◽  
X Ray Diffraction ◽  
Radiotracer Technique ◽  
Elementary Processes ◽  
X Ray

AbstractThe present study reports the coprecipitation of gadolinium with calcium sulphate dihydrate, in aqueous solutions of sulphuric acid, at constant ionic strength using a radiotracer technique.The experimental results obtained at ambient temperature, show that the quantity of gadolinium ions coprecipitated in gypsum identified by X-ray diffraction (XRD) and elemental analysis is very small, lower than 4ߙat.ߙ%. The mechanism of coprecipitation of Gd(III) has been discussed, although the elementary processes of the mechanism are not clear.The distribution of gadolinium between precipitate of gypsum and saturated aqueous solutions of H

Recovery of sulphuric acid from waste aqueous solutions containing arsenic by ion exchange

1997 ◽  
Vol 44 (1-2) ◽  
pp. 43-52 ◽  
Author(s):  
V. Nenov ◽  
N. Dimitrova ◽  
I. Dobrevsky
Keyword(s):  
Ion Exchange ◽  
Aqueous Solutions ◽  
Sulphuric Acid
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