Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Stretching/bonding | Jute (cm−1) | Hemp (cm−1) | Kenaf (cm−1) | Kapok (cm−1) | Sisal (cm−1) | Pineapple leaf (cm−1) |
|---|---|---|---|---|---|---|
| C–H | 1255.6 | — | — | 1245.5 | 1259.9 | — |
| C–H | 1383.1 | 1384.1 | — | 1383.6 | 1384.1 | 1374.2 |
| C C | 1596.1 | 1654 | — | 1596.1 | 1653.9 | 1608.3 |
| C O | 1741.1 | — | 1736 | 1741.1 | 1736.5 | 1737.4 |
| C–H | 2918.1 | 2920.5 | 2899 | 2918.1 | 2924.2 | 2903.8 |
| –OH | 3419.7 | 3448 | 3338 | 3419.7 | 3447.2 | 3349.9 |
