What is the fine-grained topic of the following text: to immobilize a larger variety of clay minerals (phlogopite, vermiculite, montmorillonite, and kaolinite), and in this technique , Instruments used included an Artek sonic dismem- , traction to the clay basal planes, may overcome the electrostatic , Claesson, RM, Paulson, OEH, Blomberg, E, and Burns, NL (1997). Only return the topic.
The immobilization of various clay minerals using a specific technique.