Research Article
Experimental Study on Diffusion Process of Sulfate Ion in Cemented Gangue Backfill Material
Figure 3
The relationship between concentration and immersion time at different diffusion depths. (a) 5% Na2SO4 + 3% MgSO4, (b) 5% Na2SO4 + 5% MgSO4, (c) 5% Na2SO4 + 3% NaHCO3, (d) 5% Na2SO4 + 5% NaHCO3, and (e) 5% Na2SO4 + 5% MgSO4 + 5% NaHCO3.
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| (b) |
| (c) |
| (d) |
| (e) |