Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Pearson correlation matrix of WPG and ratios of intensity of the transmittance in FTIR spectra of acetylated tropical hardwoods

From: Acetylation of tropical hardwood species from forest plantations in Costa Rica: an FTIR spectroscopic analysis

	WPG	Peak ratio at 1034 cm⁻¹	Peak ratio at 1228 cm⁻¹	Peak ratio at 1372 cm⁻¹	Peak ratio at 1592 cm⁻¹	Peak ratio at 1732 cm⁻¹
WPG	1
Peak ratio at 1034 cm⁻¹	0.26^NS*	1
Peak ratio at 1228 cm⁻¹	0.71*	− 0.16^NS	1
Peak ratio at 1372 cm⁻¹	0.77*	− 0.06^NS	0.93*	1
Peak ratio at 1592 cm⁻¹	0.39^NS	0.11^NS	0.47^NS	0.23^NS	1
Peak ratio at 1732 cm⁻¹	0.71*	− 0.13^NS	0.97*	0.93*	0.34^NS	1

* A statistical significance at level p < 0.05
NS not statistically significant

Back to article page