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Table 1 Chemical concentrations and densities used in the two experiments

From: Cyclic growth of hierarchical structures in the aluminum-silicate system

  Interior (pumped) solution Exterior (tank) solution
Experiment A 0.30 M AlCl3 0.30 M sodium silicate
1.031 g/cm3 pH = 10.5
1.021 g/cm3
Experiment B 1.5 M AlCl3 plus green food coloring, 0.50 M sodium silicate
1.155 g/cm3 pH = 11.7
1.036 g/cm3