Capture vessel cartridge for permeation testing of prefilled packages and containers

A cartridge for use in conjunction with a target analyte permeation testing instrument for measuring transmission rate of a target analyte through a prefilled package or container, wherein the target analyte permeation testing instrument includes a line carrying a target analyte free carrier gas from a source of the carrier gas to a target analyte sensor, characterized in that the cartridge comprises:

• (a) a vessel defining a void volume and having open axial ends,
• (b) a first end cap capable of repeated sealed engagement over one of the open axial ends of the vessel when in a closed position, and unsealed disengagement from over the one open axial end of the vessel for providing access to the void volume of the vessel when in an open position,
• (c) a second end cap in sealed engagement over the other open axial end of the vessel,
• (d) an entrance port configured and arranged for connection with the line for providing fluid communication from the source of carrier gas to the void volume of the vessel, and
• (e) an exit port for connection with the line for providing fluid communication from the void volume of the vessel to the target analyte sensor.