5 mm Thin Wall Precision Screw-Cap NMR Sample Tube 7″ L with Short Valve, 500MHz

Description

5 mm Screw-Cap NMR Tubes

Commonly used in sample degasification these tubes can maintain vacuum quality of >10-4 torr. For better vacuum, please check our Pressure/Vacuum Tube and Quick Pressure Valve Tube .Tube comes complete with open top screw cap and septum. Caps and septa can be ordered separately; see table.Note: Items marked CALL may have limited availability.

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Details

The length of the valve is guaranteed to be 17 mm, which would reduce the weight of the overall tubing and improve spin stability.

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Specifications

• MHz Rating:500
• Tube O.D. (mm):5
• Bottom Tube Length (inch):7
• Valve Length (mm):17

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Application Notes

PTFE/Rubber – Laminated discs with a sheath of PTFE bonded chemically to pharmaceutical rubber. Inert to most solvents and many corrosives. Not recommended for multiple punctures.PTFE/Silicone – Laminated discs with a sheath of PTFE bonded chemically to silicone. Inert to most organic solvents and compounds; however, not recommmended for use with strongly corrosive materials. Remains reliable after multiple punctures.