Table 2 Results of the QPA analyses conducted on samples synthesized at 170 °C.
From: Rice husk as raw material in the synthesis of analcime
Sample + 10% corundum Nist 676a | 8 h | 12 h | 42 h | 77 h |
|---|---|---|---|---|
Rwp | 0,18 | 0,19 | 0,17 | 0,18 |
Rp | 0,14 | 0,16 | 0,17 | 0,14 |
CHI2 | 2,03 | 2,08 | 2,26 | 2,17 |
Space group ANA | Ia-3d | Ia-3d | Ia-3d | Ia-3d |
a (Å) | 14.1061(0.0041) | 14.2131(0.0040) | 14.2230(0.0033) | 14.2044(0.0035) |
b (Å) | 10.0405(0.0005) | 10.0426(0.0015) | 10.0527(0.0019) | 10.0239(0.0020) |
c (Å) | 10.0458(0.0007) | 10.0437(0.0004) | 10.0326(0.0006) | 10.0418(0.0008) |
% amorphous | 8.55(13) | 2.47(11) | 2.49(12) | 2.50(13) |
ANA | 91.45(16) | 97.53(14) | 97.51(15) | 97.50(14) |
