固体核磁共振样品制备系统的自主研制

陈阳,周萌,李勇,杨海军

Independent Development of Sample Preparation Tools for Solid-state NMR

CHEN Yang,ZHOU Meng,LI Yong,YANG Haijun

图12 3.2 mm全套自制转子与商品转子的金刚烷的13C CP MAS SSNMR测试谱图对比.仪器型号为JNM-ECZ600R，探头为3.2 mm三通道探头，转速为12 kHz；90度脉冲宽度为2.25 μs，相关时间为2 ms，弛豫延迟时间为1 s，扫描次数为3 600，扫描点数为2 048，扫描时间为1 h

Fig. 12 Comparison of 13C CP MAS SSNMR test spectra of adamantane with a 3.2 mm complete set of self-made rotor and a commercial rotor performed on a JEOL JNM-ECZ600R NMR spectrometer. A 3.2 mm three-channel probe was used with a spinning rate of 12 kHz, the 90 degrees pulse width is 2.25 μs, contact time is 2 ms, the relaxation delay is 1 s, the scans is 3 600 times, the points is 2 048, and the scan time is 1 h