ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7

Published monthly
 

Physicochemical study of beet-sugar juice purification. II. The determination of ζ electrokinetic potential of crystalline calcium carbonate in calcium hydroxide and calcium bicarbonate solutions by the electro.ovrddot.osmotic method

J. Vašátko and R. Kohn

Slovak Academy of Sciences, Bratislava

 

Abstract: The ζ electrokinetic potential (I) measurements in Ca(OH)2 solns. were carried out on coarse cryst. CaCO3, with particle size 5-10 μ, and on fine cryst. CaCO3, with particle size 1.0-1.8 μ. The particles of cryst. CaCO3 showed in all solns. pos. I with max. approx. in solns. of 0.002-0.004N. The max. I of the CaCO3/Ca(OH)2 system on coarse cryst. CaCO3 had the value +26.6 mv., and on the fine cryst.; +32.1 mv. I of the system coarse CaCO3/Ca(HCO3)2 highly purified soln. showed the max. value of +22.5 my., for lower pure Ca(HCO)2, a value of +17.3 mv. The dependence of I on the concn. of Ca(HCO3)2 and Ca(OH)2 solns. is shown in 2 diagrams. The decrease of I at higher concns. of Ca(OH)2 and Ca(HCO3)2. solns. is not caused by the electrolytic transfer of liquid.

Full paper in Portable Document Format: 103a141.pdf (in Slovak)

 

Chemical Papers 10 (3) 141–155 (1956)

Wednesday, June 19, 2024

IMPACT FACTOR 2021
2.146
SCImago Journal Rank 2021
0.365
SEARCH
Advanced
VOLUMES
European Symposium on Analytical Spectrometry ESAS 2022
© 2024 Chemical Papers