Table 4.

Elements composition of the PAR–chitosan–GO thin film after it was in contact with Co²⁺.

Sample	Element	Corrected RSF	Area	Corrected Area	Ratio (%)
PAR–chitosan–GO	C	1.2070	16,139	13,371.2	63.51
	O	3.1048	19,169	6174	29.32
	N	2.0520	2998	1461	6.94
	Co	18.5764	858	46.2	0.22