Table 1. Chemical composition and pH of OECD surface water.
| Chemical reagent, mgL-1 | CaCl2·2H2O | MgSO4·7H2O | NaHCO3 | KCl |
| 29.4 | 12.3 | 6.48 | 0.58 | |
| pH | 6.0 | |||
| pH adjustment | ≈170 μL 0.95% H2SO4 | |||
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