This standard specifies the determination of sulfate in water using the EDTA complex titration method. This method is suitable for natural water with sulfate radical (SO2-4) content in the range of 10~200mg/L. However, after dilution or concentration, the scope of application can be expanded.
SL 85-1994 history
1995SL 85-1994 Determination of sulfate (EDTA titration method)