Table 1 Elemental analysis and textural properties for diamino-silane functionalized SAPO-37 materials.
From: In-situ preparation of functionalized molecular sieve material and a methodology to remove template
SAPO-37-DAS-x x= | Elemental Analysis (CHN) | Total active sites mmol/g (CHN) | Accessible active sites mmol/g | Accessibility of accessible active site (%) | BET Surface area (cm3g−1) | Micropore | ||||
---|---|---|---|---|---|---|---|---|---|---|
As-prepared (%) | Extracted (%) | t-plot volume (cm3g−1) | HK Pore width (nm) | |||||||
N | C | N | C | |||||||
0.04 | 1.35 | 16.05 | 1.03 | 5.71 | 0.95 | 0.25 | 26.3 | 202 | 0.113 | 1.55 |
0.08 | 1.56 | 15.25 | 1.18 | 6.55 | 1.22 | 0.34 | 27.8 | 211 | 0.076 | 1.24 |
0.12 | 1.96 | 14.30 | 1.62 | 7.12 | 1.43 | 1.11 | 77.7 | 220 | 0.074 | 1.24 |
0.16 | 2.43 | 14.29 | 1.92 | 7.94 | 1.52 | 1.46 | 96.1 | 219 | 0.066 | 1.24 |
0.24 | 2.64 | 19.03 | 2.64 | 8.74 | 1.71 | 1.67 | 97.6 | 188 | 0.058 | 1.24 |
0.32 | 2.90 | 16.00 | 3.21 | 10.30 | 2.07 | 2.05 | 99.0 | 146 | – | – |