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pkg of 1 ea
General description
Needle guide in the septum cap directs the syringe needle to pierce the septum at the same spot for every injection. Autosamplers are provided with these to hold amd support the needle.
Prolongs septum and needle life. Use with septum nuts that have a 3/16 in. diameter hole in the center. For septum nuts with smaller holes, simply drill to 3/16 in. to insert guide.
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Konrad Grob
Split and Splitless Injection for Quantitative Gas Chromatography, 426-426 (2008)
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