Table 2

CI of celluloses determined by four different methods by the authors.

Cellulose tested

XRD method

NMR method


Peak height

Peak deconvolution

Amorphous subtraction

C4 peak separation


BMCC

95.2

73.1

82.4

73.8


Avicel PH-101*

91.7 ± 1.5

60.6 ± 1.0

77.7 ± 1.9

56.7 ± 2.2


SigmaCell 50

91.2

61.3

79.4

56.1


SigmaCell 20

84.8

64.2

67.0

52.6


JT Baker cellulose

85.5

61.5

69.1

49.1


Fluka cellulose

82.9

52.9

61.6

48.6


SolkaFloc cellulose

78.3

56.8

57.2

43.9


Sigma α-cellulose

78.0

55.9

54.4

41.5


BMCC, bacterial microcrystalline cellulose.

Values are means.

* For Avicel PH-101 the standard deviation from three measurements is given.

Park et al. Biotechnology for Biofuels 2010 3:10   doi:10.1186/1754-6834-3-10

Open Data