AVIII 400 WB DNP Billerica
3.2mm HXY DVT in DR mode, with Redor box (6 turns coil)
4/5/2017
13C cpSPINDIFF.dx
sample 6 : 13C enriched ethylene activated MMM-Beta-3# 275 C  with 20mM TEKPoL in TCE, wetness impregnation
Sapphire rotor
kept in freezer for 1 day
kept in freezer for another 6 h
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 = 32
MW on
mixing time = 30 ms