exchangeable

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

蛭石层阳离子可交换特性是使有机阳离子插入到层驱动力；

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

下层主要分布在可氧化态，其次是残余态、酸可交换态以及可还原态。