Sample Catcher for 4mm Bruker Ejection Systems

thingiverse

This is a sample catcher for Bruker Ejection Systems using 4mm solid-state NMR rotors. In the original system sold by Bruker, it is possible for the rotor to fall back into the magnet, or to the ground, if the ejection pressure stopped prematurely. This system catches the rotor and holds it, similiar to the 2.5mm catchers, using a u-turn to store the rotor. On our 500 MHz Bruker Magnet, no change to the ejection pressure was needed.