Table 2 Shows the peaks in the FTIR spectrum of natural bitumen.

From: Structural, spectroscopic, morphological and optical studies of new polymer composite based on polystyrene inserted with natural bitumen

Wave number (cm)−1

Assignments

3431.68

O-H stretching

2922, 2851.27

C-H stretching

(asymmetric/symmetric)

1600

C = C stretching

1455.55, 1375.43

C-H bending

1029.49

C = O stretching

Back to article page