El valor para el potencial de hidrógeno, pH. para el agua segura deberá estar comprendido entre 6.5 y 9.0.
Decreto 475 de 1998 →In force
Article 39
El Valor Para El Potencial De Hidrógeno, Ph
Decreto 475 de 1998 · por el cual se expiden normas técnicas de calidad del agua potable.
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