AVIII 400 WB DNP Billerica
3.2mm HXY DVT in DR mode, without Redor box, without direction coupler
1/5/2017
13C presat_cpRINADEQUATE_zfilter.dx (2D)
sample 2 : 13C enriched MTO activated H-Beta-4 275C 20min, No.2, with 20mM TEKPoL in TCE, 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
D1 = 6 *1.3 s = 7.8 s
MW on: Voltage 18.2 kV, Current: 120 mA, opt

13C 90 degree and 180 degree rf power at 62.5 kHz, 43 W.
1H power for pfilt pulse at 12.5 kHz

L5 = 20, tau1 = 1.6 ms, opt
L8 = 10, pfilt = 0.8 ms, opt
ns = 128