Table 1.

Chemical analysis of the energy-dispersive X-Ray (EDX) spectrum.

Element	Series Unn (wt.%)	C Norm. (wt.%)	C Norm. (at.%)	C Error (1 Sigma) (wt.%)
Carbon	K-series 24.90	26.64	45.49	4.92
Nitrogen	K-series 6.28	6.72	9.84	2.26
Oxygen	K-series 21.52	23.03	29.52	4.21
Fluorine	K-series 6.88	7.37	7.95	1.76
Aluminium	K-series 0.53	0.57	0.43	0.08
Sulfur	K-series 5.34	5.71	3.65	0.26
Gold	L-series 28.02	29.98	3.12	4.26
	Total	93.46	100.00	100.00