抄録
We studied on the bond between the inorganic colloid (Kaolin, Japanese acid clay etc.) and orgatnic soil colloid (Humus) by the method of colloid itration and electrophoresis. 1) Humus acted as a protective colloid for the clay minerals. 2) Humus had the greater equivalent per gram in the lower concentration, between 0.0225% to 0.0045%.
