EarthWater |
What is the chemical composition of the ocean? |
The ocean contains every known naturally occurring element plus various gases, chemical compounds, and minerals. Below is a sampling of the most abundant chemicals.
| Constituent | Concentration (parts per million) |
| Chloride | 18,980 |
| Sodium | 10,560 |
| Sulfate | 2,560 |
| Magnesium | 1,272 |
| Calcium | 400 |
| Potassium | 380 |
| Bicarbonate | 142 |
| Bromide | 65 |
| Strontium | 13 |
| Boron | 4.6 |
| Fluoride | 1.4 |