Experimental Study on Physicomechanical Properties of Sandstone under Acidic Environment

Figure 10

Cation dissolution rate diagram of soaking solution. Dissolution rate of Mg²⁺ in H₂SO₄ solution at (a) pH = 1 and (b) pH = 3. Dissolution rate of Ca²⁺ in H₂SO₄ solution at (c) pH = 1 and (d) pH = 3.

(a)

(b)

(c)

(d)