Table 2. Atomic Contents of Elements on the Chalcopyrite and Pyrite Surfaces before and after the Treatment with SH.

	atomic contents/%
sample	S 2p	C 1s	O 1s	Fe 2p	Cu 2p
chalcopyrite	21.90	39.88	17.13	8.58	12.51
chalcopyrite + TA	20.23	45.85	20.04	3.74	10.14
Δ	–1.67	5.97	2.91	–4.84	–2.37
pyrite	21.35	42.57	27.29	8.79
pyrite + TA	13.28	51.57	31.61	3.54
Δ	–8.07	9.00	4.32	–5.25