This keyword data block is written by the DUMP operation. It is intended to be used to reinitialize simulations at the point that the DUMP command was executed, or to transfer reaction-pressure specifications defined by REACTION_PRESSURE data blocks between IPhreeqc modules.
The REACTION_PRESSURE_RAW data block contains a complete listing of the internal data structure that defines reaction temperatures (as defined in REACTION_PRESSURE data blocks). REACTION_PRESSURE_RAW data blocks are written by DUMP and can be read directly by PHREEQC. The format of the REACTION_PRESSURE data block is sufficiently simple, so that a REACTION_PRESSURE_RAW data block is not needed; simply use REACTION_PRESSURE to define new reaction pressures.