Table 6.

Chemical composition after thermal decomposition of used adsorbent.

Elem	Wt.%	At%
C K	23.18	35.95
O K	39.20	45.64
NaK	8.59	6.96
SiK	1.10	0.73
P K	9.02	5.43
K K	9.19	4.38
AuL	9.72	0.92
Total	100.00	100.00