Sodium cation

Na+

Salt

Limit values

WHO Limit

200 mg/L

EU Limit

200 mg/L

US Limit

Unknown.

EWG Limit

Unknown.

Ratings

Distillation
Carbon filters
Membrane filters

References

  1. Márcio Claudio Cardoso da Silva and Maurício Luiz Sens,
    Water purification by direct solar distillation process in isolated households, Acta Scientiarum. Technology (2014)
  2. A Hanson and W Zachritz and K Stevens and L Mimbela and R Polka and L Cisneros,
    Distillate water quality of a single-basin solar still: laboratory and field studies, Solar Energy (2004)
  3. P Huikuri,
    Removal of natural radionuclides from drinking water by point of entry reverse osmosis, Desalination (1998)