Components on top of the injection port of GC systems that provide a leak-free seal between the atmosphere and carrier gas and minimize the introduction of contaminants; allow repeated sample injection without significant coring or leaking.
The result is a mid-range general purpose septum made of uniquely formulated silicone rubber you can use for all your daily analyses. These septa also benefit from also with the non-stick coating and the CenterGuide design.
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