Table 1. Sample Codes and Compositions Used in This Study (Represented as Portions by Weight).

sample	chitosan	CMC	[C2mim][OAc]	GO	rGO	2 M formic acid solution
AE2-F	100		20			261
AE2/GO-F	100		20	0.75		261
AE2/rGO-F	100		20		0.75	261
AE4-F	100		40			261
AE4/GO-F	100		40	0.75		261
AE4/rGO-F	100		40		0.75	261
BE2-F	50	50	20			261
BE2/GO-F	50	50	20	0.75		261
BE2/rGO-F	50	50	20		0.75	261
BE4-F	50	50	40			261
BE4/GO-F	50	50	40	0.75		261
BE4/rGO-F	50	50	40		0.75	261