Institute of Analytical Chemistry, University of Leipzig, Johannisallee 29. 3, D-04103, Leipzig, Germany.
Magn Reson Chem. 2012 Jan;50(1):5-6. doi: 10.1002/mrc.3789. Epub 2012 Jan 23.
A new and easily usable sample for adjusting the magic angle in a high resolution magic angle spinning (HR-MAS) probe head is a swollen polymer stick in CDCl(3) . The deuterium resonance shows a quadrupolar splitting if the rotor assembly is not at the magic angle, but a sharp singlet if the magic angle is correctly adjusted.
一种新的、易于使用的高分辨率魔角旋转(HR-MAS)探头中调整魔角的样品是在 CDCl(3)中的溶胀聚合物棒。如果转子组件未处于魔角位置,则氘核共振显示出四极分裂,如果正确调整了魔角,则显示出尖锐的单峰。