Biomasses

Functional group

Albizia

--OH (Alcoholic-H bonded, 3446 cm1), --COOH (2363 cm−1), 1˚ and 2˚ Amine (--NH2, 1540 cm−1), R-N=O (1520 cm−1), Amine (C-N, 1340 cm−1), Cl (790 cm−1), F, I (486 cm−1).

Dry leaves

--OH (Alcoholic-H bonded, 3443 cm−1), --CHO (2933 cm−1), --C-H (2881 cm−1), --COOH (2372 cm−1), --CO-NH2 (1640 cm−1), 1˚ and 2˚ Amine (--NH2, 1549 cm−1), R-N=O (1510 cm−1), Amines (C-N, 1370 cm−1), S=O (1124 cm−1), Cl (811 cm−1), Br, I (482 cm−1)

Jackfruit

--OH (Alcoholic-H bonded, 3446 cm−1), --CHO (2929 cm−1), --C−H (2860 cm−1), --COOH (2360 cm−1), --CO-NH2 (1647 cm−1), 1˚ and 2˚ Amine (--NH2, 1540 cm−1), R-N=O (1510 cm−1), Aromatic alkenes (1439 cm−1), F (1390 cm−1), C-N (Amines, 1340 cm−1), S=O (1320 cm−1), Cl (780 cm−1), I (484 cm−1).

Rain

--OH (Alcoholic-H bonded, 3451 cm−1), --CHO (2901 cm−1), --C−H (2840 cm−1), --COOH (2362 cm−1), --CO-NH2 (1648 cm−1), = Aromatic alkenes (1410 cm−1), S=O (1075 cm−1), Cl (769 cm−1), I, Br (480 cm−1)

Mahogany

--OH (Alcoholic-H bonded, 3456 cm−1), --CHO (2929 cm−1), --C-H (2840 cm−1), --COOH (2364 cm−1), --CO-NH2 (1630 cm−1), 1˚ & 2˚ Amine (--NH2, 1540 cm−1), = Aromatic alkenes (1390 cm−1), C-N (Amines, 1340 cm−1), S=O (1124 cm−1), Cl (780 cm−1), Br, I (486 cm−1).

Cow dung

--OH (Alcoholic-H bonded, 3438 cm−1), --CHO (2920 cm−1), --C-H (2840 cm−1), S−H (mercaptans, 2525 cm−1) --COOH (2373 cm−1), --CO−NH2 (1629 cm−1), 1˚ and 2˚ Amine (--NH2, 1550 cm−1), F (1432 cm−1), S=O (1125 cm−1), Cl (725 cm−1) , Br, I (486 cm−1).

Mango

--OH (Alcoholic-H bonded), --CHO (2910 cm−1), --C-H (2850 cm−1), --COOH (2367 cm−1), F(1400 cm−1), S=O (1126 cm−1), Cl (781 cm−1), Br, I (480 cm−1)