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Table 1 Ion leaching test scheme for alkali-activated low-calcium fly ash with different NaOH concentrations and soaking times.

From: Analysis of Active Ion-Leaching Behavior and the Reaction Mechanism During Alkali Activation of Low-Calcium Fly Ash

NaOH concentration (mol L−1) Solution volume (mL) Fly ash samples (g) Soaking time (h)
3 6 12 24 48 72
0 400 100 A1 A2 A3 A4 A5 A6
0.25 400 100 B1 B2 B3 B4 B5 B6
0.75 400 100 C1 C2 C3 C4 C5 C6
1.25 400 100 D1 D2 D3 D4 D5 D6
2 400 100 E1 E2 E3 E4 E5 E6