| Arabian Gulf at Kuwait | 
  Ion Concentration, mg/l | 
    
   
  | Chloride (Cl-) | 
  23,000 | 
    
   
  | Sodium (Na+) | 
  15,850 | 
    
   
  | Sulfate (SO42-) | 
  4,000 | 
    
   
  | Magnesium (Mg2+) | 
  1,765 | 
    
   
  | Calcium (Ca2+) | 
  500 | 
    
   
  | Bicarbonate (HCO3-) | 
  142 | 
    
   
  | Total dissolved solids (TDS), mg/l | 
  45,157 | 
    
   
  | pH | 
  7.8 | 
    
   
  | Density*, g/cm3 | 
  1.028 | 
    
   
  | *Measured at 77°F | 
    
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