APPARATUS 4 - USP The principal of this apparatus consists of a reservoir containing the dissolution medium, a pump that forces the medium upwards through the vertically positioned flow-cell, and a device to control the temperature in the cell.
![PSAPP4FC-12S-Sotax-compatible-USP-apparatus-IV-4-flow-cell-12mm-acrylic](/img/cache/psapp4fc-12s-sotax-compatible-usp-apparatus-iv-4-flow-cell-12mm-acrylic-250x167.jpg)
Flow cell 12mm for Sotax
PSAPP4FC-12S![PSAPP4FC-12SU-Sotax-compatible-USP-apparatus-IV-4-flow-cell-12mm-ultem](/img/cache/psapp4fc-12su-sotax-compatible-usp-apparatus-iv-4-flow-cell-12mm-ultem-250x167.jpg)
Amber flow cell 12mm for Sotax
PSAPP4FC-12SU![PSAPP4FC-22S-Sotax-compatible-USP-apparatus-IV-4-flow-cell-22mm-acrylic](/img/cache/psapp4fc-22s-sotax-compatible-usp-apparatus-iv-4-flow-cell-22mm-acrylic-250x167.jpg)
Flow cell 22.6mm for Sotax
PSAPP4FC-22S![PSAPP4FC-22SU-Sotax-compatible-USP-apparatus-IV-4-flow-cell-22mm-ultem](/img/cache/psapp4fc-22su-sotax-compatible-usp-apparatus-iv-4-flow-cell-22mm-ultem-250x167.jpg)