Round-Bottom Screw-Thread Sample Tube Septum, PTFE/Silicone (CAT#: STEM-AL-7821-ZJF)

The sample tube is intended for chromatographic sample injection and storage. It is designed to contain liquid samples for injection or short-term analytical storage. The construction follows the laboratory configuration defined for this product type. Available configurations are defined by the listed capacities, dimensions, closure formats, materials, or operating limits. The component is intended to maintain reliable sample handling or fluid-path performance within its analytical role. It can be integrated with compatible laboratory equipment through the specified physical connection or container format. The design emphasizes repeatable fit, sealing, filtration, transfer, or positioning as appropriate to the product category. Overall, the product provides a dedicated solution for chromatographic sample injection and storage.

Bottle Material: Neutral Borosilicate Glass
Container Type: Round-Bottom Screw-Thread Sample Tube
Septum Material: Natural PTFE/Silicone
Septum Configuration: Double-Sided
Closure/Septum Material: PTFE/Silicone

Round-Bottom Geometry
Chromatography-Compatible Sample Container
Consistent Neck Geometry
Stable Base Geometry
Sample-Handling Compatibility
Chemical-Contact Container
Reusable Or Single-Use Workflow Compatibility