This standard specifies the free acidity and total hexafluorosilicate ions in industrial sodium hexafluorosilicate.
KS M ISO 4281:2010 history
2020KS M ISO 4281-2020 Sodium hexafluorosilicate for industrial use-Determination of free acidity and total hexafluorosilicate content-Titrimetric method
2015KS M ISO 4281:2015 Sodium hexafluorosilicate for industrial use-Determination of free acidity and total hexafluorosilicate content-Titrimetric method
2010KS M ISO 4281:2010 Sodium hexafluorosilicate for industrial use-Determination of free acidity and total hexafluorosilicate content-Titrimetric method