Table 1.
FTIR spectral bands of crude of B. frindosa (CE) and AgNPs
| Observed spectral Bands (cm-1) |
Suggested groups | Biomolecules | |
|---|---|---|---|
| CE | AgNPs | ||
| 3414 | 3361 | -OH,N-H Stretch | Alcohols, phenols, proteins |
| 2924 | 2924 | >CH2, -CH3 | Alkanes |
| 2848 | - | -OCH3 C-H stretch | Alkanes, aldehydes |
| 1604 | 1635 | N-H bend | Amines, protein, terpenoids |
| 1458 | - | >CH2,-CH3 C-H bend | Alkanes |
| 1392 | 1292 | -OH, N-O stretch | Phenolics, Nitrocompounds |
| 1261 | 1257 | -OH | Amides |
| 1122 | - | Alkyl,C-N stretch | Aliphatic amines |
| 1069 | 1072 | C-Br, | Carboxylic acids, esters, ethers Aromatic |
| 867 | 890 | -CH | Aromatic hydrocarbon |
CE= crude extract of B. frindosa