Evaluation of Irvingia kernels extract as biobased wood adhesive

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 5 Elemental composition (%) of unmodified and modified Irvingia-based wood adhesives

Samples	C	N	Na	Mg	Al	Si	P	S	Cl	K	Ca	Fe	O
IWN	26.97	0.03	–	0.13	–	0.01	0.13	0.07	0.03	–	0.05	0.02	72.29
IGN	26.58	0.10	–	0.26	0.03	0.03	0.31	0.18	0.10	–	0.12	0.02	71.81
IWC	23.54	1.37	8.07	0.19	–	0.06	0.17	0.09	1.37	–	0.08	–	66.14
IGC	20.72	2.47	14.98	0.09	–	0.03	0.12	0.10	2.47	–	0.06	0.06	60.94
IWE	27.10	0.25	–	0.08	–	0.01	0.04	0.03	0.25	–	0.01	0.01	72.37
IGE	27.00	0.15	0.06	0.08	–	0.02	0.02	0.01	0.15	0.15	0.01	–	72.54
IWG	27.02	0.01	0.06	0.13	–	0.01	0.09	0.03	0.01	0.51	0.01	–	72.48
IGG	27.12	0.02	–	0.04	–	0.01	0.02	0.01	0.02	0.53	0.01	–	72.62
IWLY	27.10	0.01	0.03	0.04	0.03	–	0.04	0.01	0.01	0.13	0.01	–	72.58
IGLY	27.24	0.01	–	0.03	–	0.01	0.02	0.01	0.01	–	0.01	–	72.64

C-content values are slightly higher than the actual values. All samples were coated with a thin layer of carbon prior to microscopy