Brand Store/Macherey-Nagel/Screw closure, N 18, metal (magn.), sil., center hole, Silic. w./PTFE blue,1.5mm
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Screw closure, N 18, metal (magn.), sil., center hole, Silic. w./PTFE blue,1.5mm
702055 · 100 Piece(s)
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Catalog No: 702055
Pack Size: 100 Piece(s)
Brand: Macherey-Nagel
Description
Magnetic screw closures N 18 have a more convenient, consistent, and safer sealing process compared to crimping (better reproducibility). Due to the thinner septum (1.5 instead of 3 mm), penetration of the needle is easier and executed with less fragmentation (especially important for SPME applications). They offer a flat surface for the magnet; thus the filled vial cannot drop from the magnet which may be the case with over-crimped vials due to the convexity of the cap.
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