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29Si MAS T1 values of silica containing 2.1 % of alumina

Inversion-recovery T1 experiment performed with 4-mm diameter rotor spinning at 10 kHz; NS = 80 and D1 = 240 s; SFO1 = 99.367 MHz.

Silicon-29 T1 experiment on silica-alumina
tau values in seconds: 0.1, 5, 10, 20, 30, 50, 80, 100, 150

T1 value of Q2:

Silicon-29 T1 value of Q2 in silica-alumina

T1 value of Q3:

Silicon-29 T1 value of Q3 in silica-alumina

T1 value of Q4:

Silicon-29 T1 value of Q4 in silica-alumina
 
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