Table 1

Frequencies of different methods reported in the literature for measuring the crystallinity index of commercial celluloses.

Instrument

Analysis technique

Frequency, %


XRD

Peak height

70 to 85


Peak deconvolution

5 to 10


Amorphous subtraction

5 to 10


NMR

C4 peak separation

5 to 10


NMR, nuclear magnetic resonance; XRD, X-ray diffraction.

About 80 articles (30 for Avicel PH-101 and 50 for other commercial celluloses) were analyzed in this study.

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

Open Data