... fraction was estimated by calculating their ability to alter the sedimentation rate and ξ-potential of a calcium carbonate suspension. Finally, the proteins in each fraction were identified by cellulose acetate electrophoresis. The most marked aggregating and precipitating effect on a CaCO 3 suspension...

...: sodium alginate, stone matrix substance, bovine albumin and chondroitin sulfate C, these were each added to a separate fine particle suspension of calcium carbonate. Changes in ξ-potential of the suspension particles after addition of the above materials were determined microscopically using Usui’s...