This standard specifies a method for the gravimetric determination of total salt content in water. This standard is applicable to the determination of total salt content in farmland irrigation water quality, groundwater and urban sewage. Take 100.0ml water sample for measurement, and the lower detection limit is 10mg/L.
HJ/T 51-1999 history
1999HJ/T 51-1999 Water quality.Determination of total salt.Gravimetric method