This part of SN/T4779 specifies the flow injection ion selective electrode method for detecting fluorine content in bottled water. This section applies to the determination of fluorine content in bottled drinking water and bottled drinking natural mineral water.
SN/T 4779.1-2017 history
2017SN/T 4779.1-2017 Determination of fluoride in bottled water for export---Method by ion selective electrode flow injection analysis