Table 4.

Comparison of changes in contents of hemp hurd components (%) before and after chemical treatment.

Hemp hurds component	Original sample	Sample modified by
		NaOH	EDTA	Ca(OH)2
Toluene-ethanol extract	3.57	2.8	2.9	2.49
Holocellulose	77.28	65.93	76.75	74.63
Lignin	21.03	27.27	24.22	23.98
Celullose	44.5	53.87	45.7	45.75
Hemicellulose	32.78	12.06	31.05	28.88
Ash	3.04	1.17	1.03	1.39