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. 2023 Aug 29;16(17):5912. doi: 10.3390/ma16175912

Table 5.

The chemical properties of water (Kg/m3) [26].

Chemical PH Hardness Alkalinity SO4 2− NO2− NO3− Cl− Ca Mg NH3 Zn Al Cu Fe
Lab water ≈6.7 45 20 100 0.01 2.82 5 4 ≈0 ≈0 ≈0 0.3 0.02 ≈0
Sea water ≈8 225 120 ≈0 ≈0 0.22 5 68 95 1.3 0.2 0.3 0.02 0.04