KS M ISO 3431-2018(2023) Sodium fluoride primarily used for the production of aluminium — Determination of soluble sulphates content — Turbidimetric method
2018KS M ISO 3431:2018 Sodium fluoride primarily used for the production of aluminium — Determination of soluble sulphates content — Turbidimetric method
2003KS M ISO 3431:2003 Sodium fluoride primarily used for the production of aluminium-Determination of soluble sulphates content-Turbidimetric method