Importance

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Abstract

A nuclear magnetic resonance (NMR) magic angle spinning (MAS) probe head (1; 61) for measuring a measuring substance in an MAS rotor (21a-21c), comprises a bottom box (3) and a tube (2) mounted to the bottom box (3) and projecting from the bottom box, wherein, in the area of the end (5) of the tube (2) facing away from the bottom box (3), an MAS stator (7; 62) is disposed within the tube (2) for receiving an MAS rotor (21a-21c), and with a pneumatic sample changing system for supplying and discharging an MAS rotor (21a-21c) to/from the MAS stator (7; 62). A transport conduit (10) is provided for pneumatically transferring an MAS rotor (21a-21c) within the transport conduit (10), wherein the transport conduit (10) extends in the inside of the tube (2) from the bottom box (3) to the MAS stator (7; 62). The probe head realizes fast change between different MAS rotors and facilitates RF shielding and keeping of defined extreme temperature conditions.

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First Claim