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#ifndef SPECMICP_CONSTANTS_CONSTANTS_HPP
#define SPECMICP_CONSTANTS_CONSTANTS_HPP

//! \file constants.hpp
//! \brief  Contains physical constants

namespace specmicp {
//! \namespace specmicp::constants
//! \brief Constants used by SpecMiCP
namespace constants {

constexpr double gas_constant = 8.3144621; //!< Perfect gas constant (J / K mol)

constexpr double water_density_25 = 997.05; //!< Density of water (kg / m^3)
constexpr double water_density_25_kgl = 0.99705; //!< Density of water (kg / L)

constexpr double water_viscosity =  8.937e-4; //!< Viscosity water (Pa.s)

constexpr double water_molar_mass = 18.01528e-3; //!< Molar mass water (kg / mol)

constexpr double Adebye = 0.5092; //!< constant 'A' for Debye-Huckel activity coefficient
constexpr double Bdebye = 0.3283; //!< constant 'B' for Debye-Huckel activity coefficient

constexpr double faraday_constant = 9.6485339924e4 ; //! the Faraday constant (C / mol)

} // end namespace constants
} // end namespace specmicp

#endif // SPECMICP_CONSTANTS_CONSTANTS_HPP