Table 3 A critical comparison of the tested methods of sample preparation for FTIR analysis
Method of sample preparation | Cross-section compactness | No sample contamination | Archiving | Laboriousness | Evaluation | |
|---|---|---|---|---|---|---|
Barrier methods | Silicate (Liquid glass) | + | Limited | + | + | 2 |
Dispersion of vinyl acetate | + | - | + | + | 5 | |
Cyclododecane - melt | - | Limited | Limited | + | 4 | |
Cyclododecane - solution | + | Limited | + | + | 2 | |
Carbon coating | + | + | + | - | 1 | |
Gold sputtering | + | + | + | - | 1 | |
KBr pellet | Sample cut askew | + | + | Limited | - | 1 |
Sample grind down in pellet | + | + | Limited | - | 1 | |
Twice moulded sample | + | + | Limited | - | 1 | |