#ifndef __SEAWATER__
#define __SEAWATER__

namespace JSIRENE {


  /**
   * Sea water composition.
   */
  class JSeaWater 
  {
  public:
    /**
     * Estimated mass fractions of chemical elements in sea water
     */
    static const double O  = 0.8584;
    static const double H  = 0.1082;
    static const double Na = 0.0108;
    static const double Cl = 0.0194;
  };
}

#endif