Preparation and Characterization of Multifunctional Chitin/Lignin Materials

Table 1

Elemental content of nitrogen, carbon, hydrogen, and sulfur in the precursors and in chitin/lignin materials.

Sample number	Elemental content (%)
	N	C	H	S
Pure chitin	6.21	40.54	7.36	—
Pure lignin	—	42.21	5.02	3.14
1	6.06	45.25	8.26	3.13
2	6.04	44.60	8.18	2.23
3	5.99	44.44	8.14	1.11
4	6.06	44.32	8.11	0.85
5	6.17	43.01	8.04	0.51
6	6.04	42.80	8.04	0.30
7	6.12	42.82	8.03	0.05
8	4.32	43.54	7.34	3.11
9	2.34	44.51	6.61	3.10
10	1.67	44.45	6.54	3.10
11	1.19	44.19	6.11	3.06
12	0.87	44.14	6.05	3.11
13	0.38	43.93	5.85	3.14