Plugs are made of PTFE and chemcially resistent to most orgianic compound. Recommended for sample positioning inside the NMR tube.
WG-504 is a stainless steel positioning rod and recommend to use with WG-805, WG-805J, WG-805K, WG-805D, WG-805A, WG-805A-3 and WG-805C plugs. 529-C is the Kel-F version of WG-504, and is only recommended when necessary due to its fragility. WG-1208 is compatable with WG-805M, WG-805G, WG-805F and WG-805H.
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