The Effect of Acid Mine Drainage Corrosion on the Creep Deformation of Cemented Gangue Backfill

Table 4

Results of the leaching test on coal gangue.

Substances	Concentration	Substances	Concentration
Cu	0.146	Cr (VI)	0.001
Zn	0.170	Hg	0.00002
Cd	0.001	As	0.01
Pb	0.006	Se	0.001
Cr	0.004	Inorganic fluoride (without CaF2)	0.06