![Screw closure, N 18, metal (magn.), sil.,c. hole,Silicone blue tr./PTFE w.,1.5mm [CLPP-ICS-A-125ML][JMPRICES] Fluorobenzene](https://cdn.shopify.com/s/files/1/0296/2155/1241/products/702827.jpg?v=1740396872)
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Fluorobenzene
3-Nitroamino-1-propanol-2
8-Methylquinoline
000 ppm level stable for years in dilute acidic media in a glass container
Screw closure, N 18, metal (magn.), sil.,c. hole,Silicone blue tr./PTFE w.,1.5mm [CLPP-ICS-A-125ML][JMPRICES] FluorobenzeneMagnetic 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
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