Table 1 Standard mean seawater chemical composition (Salinity = 35 g/L) reported as mol kg H₂O⁻¹ (DOE 1994)

From: Ocean, Chemical Evolution of

Na⁺	Mg²⁺	Ca²⁺	K⁺	Sr²⁺	Cl⁻	SO₄ ²⁻	HCO₃ ⁻	Br⁻	CO₃ ²⁻	B(OH)₃	B(OH)₄ ⁻	F⁻
0.48616	0.05475	0.01065	0.01058	0.00009	0.56567	0.02927	0.00183	0.00087	0.00027	0.00033	0.00010	0.00007

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