![Crimp closure, N 20, alu., gold, center tear off,Butyl dark gray/PTFE gray,3.0mm [80000][MICROLAB] Total Dead Volume: 16](https://cdn.shopify.com/s/files/1/0296/2155/1241/products/70233.jpg?v=1740396928)
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
Total Dead Volume: 16
035 µg/mL 1 atom ICP-MS 32 amu 30
N NEEDLE (24/51/5) 6/pk
Heptafluorobutyric anhydride
Crimp closure, N 20, alu., gold, center tear off,Butyl dark gray/PTFE gray,3.0mm [80000][MICROLAB] Total Dead Volume: 16Center tear off caps are crimp caps with tamper evidence. In order to be able to access and penetrate the septum, the middle cover needs to be removed from the center hole. This product is a closure with a molded Butyl PTFE liner that is only laminated with PTFE in the contact area with the sample. Thus the elastomeric Butyl can achieve on the vial's glass rims a very tight seal, while in comparison a completely PTFE covered septum would have a very
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