Table 2 The results of water absorption studies by gravimetric and thermogravimetric analysis
From: Preparation and Characterization of Silica-Enoxil Nanobiocomposites
Sample | Mass (m), mg | Total weight loss, % (by TG) | Physical water content, % (by DTG) | Water absorption, % (Δm/m by DTG) | Water absorption, % (∆m/m by GA) |
|---|---|---|---|---|---|
A300 | 187.5 | 7.4 | 5.9 ± 0.2 | ||
Enoxil | 43.3 | 100 | 3.1 ± 0.1 | ||
Composite 1 | 201.8 | 19.7 | 5.4 ± 0.1 | ||
Composite 2 | 202.4 | 17.0 | 4.7 ± 0.1 | ||
A300 + water | 100 | 71.0 | 69.5 ± 1.3 | 227 ± 8 | 235 ± 13 |
Enoxil + water | 51.9 | 100 | 83.7 ± 1.3 | 513 ± 16 | 504 ± 21 |
Composite 1 + water | 92.6 | 59.1 | 54.4 ± 1.1 | 119 ± 5 | 129 ± 10 |
Composite 2 + water | 101.0 | 67.8 | 63.1 ± 1.1 | 170 ± 6 | 181 ± 11 |