Table 1 Experimental settings of the parameters in the syntheses
From: Effect of Mn2+ concentration on the growth of δ-MnO2 crystals under acidic conditions
Experimental group | ①1) | ②1) | ③1) | ④1) | ⑤1) | ⑥1) | ⑦2) | ⑧2) | ⑨2) | ⑩2) |
|---|---|---|---|---|---|---|---|---|---|---|
C(Mn2+) mmol/L | 0 | 0.05 | 0.1 | 0.3 | 0.7 | 1 | 5 | 10 | 25 | 50 |
V(Mn2+) mL | 0 | 0.5 | 1 | 3 | 7 | 10 | 1 | 2 | 5 | 10 |
V(DW) mL | 27.5 | 27 | 26.5 | 24.5 | 20.5 | 17.5 | 26.5 | 25.5 | 22.5 | 17.5 |