Screw cap, N 18, magn. silver, hole, silver w./PTFE blue, slotted, 1.5mm

SKU: 702136 Categories: ,

Description

Compared to crimping, magnetic screw caps N 18 have a more convenient, consistent and secure sealing process (better reproducibility). The thinner septum (1.5 instead of 3 mm) facilitates needle penetration and reduces fragmentation (particularly important for SPME applications). They provide a flat surface for the magnet so that the filled bottle cannot fall off the magnet, as can be the case with crimped bottles due to the curvature of the cap.

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