CALCIUM AS POTENTIAL DETERMINING ION IN AQUEOUS CALCITE SUSPENSIONS

Autor:	J.M. Lamarche, A. Pierre, R. Mercier, Alain Foissy, Jacques Persello
Rok vydání:	1990
Předmět:	Calcite Aqueous solution Polymers and Plastics Chemistry Inorganic chemistry Potential Determining Ion Surfaces Coatings and Films Ion Electrokinetic phenomena Electrophoresis chemistry.chemical_compound Isoelectric point Qualitative inorganic analysis Physical and Theoretical Chemistry
Zdroj:	Journal of Dispersion Science and Technology. 11:611-635
ISSN:	1532-2351 0193-2691
DOI:	10.1080/01932699008943286
Popis:	Electrokinetic mobility was measured on calcite particles dispersed in aqueous solutions as a function of pH, ion concentration and type (Na+, Ca2+, CI-, S04 2-). Whatever the pH value, experimental results show a good correlation between electrokinetic potential and Ca2+ activity. Considering Ca2+ as a potential determining ion and using a simple complexation model at the surface, we show that the displacement of the isoelectric point can be attributed to the relative affinity of CO3 2- and Ca2+ for the surface.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c907ffdc1d48771afb54ccfa982bc196 https://doi.org/10.1080/01932699008943286 Zobrazit plný text záznamu