HJ 585-2010 Water quality.Determination of free chlorine and total chlorine.Titrimetric method using N,N-diethyl-1,4-phenylenediamine (English Version)
Warning: Mercury salts are highly toxic chemicals. During operation, protective equipment should be worn as required to avoid contact with skin and clothing. The waste liquid after testing should be properly and safely disposed of. This standard specifies a titration method for the determination of free chlorine and total chlorine in water. This standard is applicable to the determination of free chlorine and total chlorine in industrial wastewater, medical wastewater, domestic sewage, reclaimed water and landscape water for sewage regeneration.
HJ 585-2010 history
2010HJ 585-2010 Water quality.Determination of free chlorine and total chlorine.Titrimetric method using N,N-diethyl-1,4-phenylenediamine