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Glossary:Sea water composition

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-19359 mg/l chloride; 2702 mg/l sulfate; 142 mg/l bicarbonate; 11155 mg/l sodium + potassium; 1297 mg/l magnesium; 408 mg/l calcium; TDS = 35169 mg/l; pH = 8.2.

-In the typical context, sea water composition is pH 8.0; Oxygen 6-8 ppm; Sodium 11,000 ppm; potassium 380 ppm; calcium 400 ppm; magnesium 1,300 ppm; Chloride 19,000 ppm; sulfate 2600 ppm; carbonate 142 ppm. Sea water composition may be fresher near rivers and melting ice caps, and more concentrated near desert areas.