Initiation of Vaterite-Aragonite CaCO₃ Particles from Silicate-Casein Sols

URN to cite this document:: urn:nbn:de:bvb:355-epub-118408
DOI to cite this document:: 10.5283/epub.11840

Voinescu, Alina E. ; Touraud, Didier ; Lecker, Alois ; Pfitzner, Arno

; Kienle, Lorenz ; Kunz, Werner

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Date of publication of this fulltext: 23 Dec 2009 11:40

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Abstract

P-31 NMR difference spectra of sodium caseinate sols with and without silicate ions provide direct evidence of interactions between silicate ions and casein serine phosphate groups. The addition of Ca2+ to sodium caseinate solution without silicate ions and, subsequently, the diffusion of atmospheric CO2 to the resulting mixture do not lead to CaCO3 mineralization, whereas comparable experiments ...