exchangeable

The exchangeable characteristic of cation is the driving force that makes the organic cation intercalate the interlayers.

蛭石层间阳离子换特性是使有机阳离子插入到层间域驱动力；

in the down bottom stratum, and thallium mainly existed as the oxidable form followed by the residual, acid exchangeable and reducible.

下层主要分布化态，其次是残余态、酸换态以及还原态。