Table 2. Acid Ratio and Concentration.

group	acid type and concentration ratio
1	2.5% HCl (30%) (83.25 mL) + 6% acetic acid (24 mL) + 1% AC (4 mL) + 138.75 mL of H2O
2	2.5% HCl (30%) (83.25 mL) + 166.75 mL of H2O
3	6% acetic acid (24 mL) + 226 mL of H2O
4	1% AC (4 mL) + 222 mL of H2O
5	2.5% HCl (30%) (83.25 mL) + 6% acetic acid (24 mL) + 213.75 mL of H2O
6	2.5% HCl (30%) (83.25 mL) + 1% AC (4 mL) + 218.75 mL of H2O
7	6% acetic acid (24 mL) + 1% AC (4 mL) + 222 mL of H2O
8