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8731-44 Includes Only:
Used to tip-off NMR Tube. How It Works: NMR tube is inserted in lower Ace-Threadport and tightened via bushing for vacuum-thaw work. Vacuum line is connected to side hose connection, size E. Tube can then be tipped-off with flame. Aluminum shield bonded to nylon bushing helps delay heat transfer. Each port is individually controlled by smooth-acting, semi-needle, threaded PTFE plug to allow removal of one tube while others are still under vacuum; vacuum of 10-6 is common. PTFE plug and tip-off port O-Rings are FETFE or Viton. Tip-off ports can be supplied for 5mm, 8mm and 10mm NMR Tube. Manifolds can be supplied with single port or multiple ports of the same size or different size. Quotations will be supplied for manifolds differing from those listed.
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