This standard is applicable to the determination of total selenium in surface water, groundwater, domestic sewage and industrial wastewater. Take a 50mL water sample and the lowest detectable concentration of selenium is 0.003mg/L. The measurement range is 0.01~0.2mg/L.
SL/T 272-2001 history
2001SL/T 272-2001 Water quality.Determination of total selenium.Iron(Ⅱ)-O-phenanthroline indirect spectrophotometry