AVIII 400 WB DNP Billerica
3.2mm HXY DVT in DR mode, without Redor box, without direction coupler
1/5/2017
13C CP
sample 5 : 13C enriched MTO activated H-Beta-4 275C 20min, No.2, with TCE no TEKPoL, wetness impregnation
Sapphire rotor
sr = -7 Hz, ref to CH of adamantane at -29.45 ppm
MAS = 12.5 kHz, MAS BP= 2500 mb, DP= 1820 mb.
T sample= 94 K (target 94 K), flow=1470l/h, T bearing= 100 K (target=99 K), T driving= 102 K (target=102 K)
1H 90 degree pulse 2.5 us, 100 kHz at 50 W, opt
13C 90 degree pulse 3.7 us, 68 kHz at 50 W, opt. Corresponding to 90 degree pulse 4 us, 62.5 kHz at 43 W.

13C CP 62.5 kHz (43 W) matched to 1H 100 kHz (50 W), ramp.100 contact, opt
1H 90 degree pulse and spinal64 decoupling at 100 kHz (50 W) opt
p15 = 3 ms, O2 = 1900 Hz, PCPD2 = 5.2 us, opt
ns = 128
MW off

D1 = 16.2 *1.3 s = 21.1 s