This standard specifies the 169 coupler spectrophotometric method for determining the total amount of color developer in water. This standard is applicable to the determination of the total amount of color developer in printing wastewater. For details on the detection limit, please refer to the standard content.
HJ 595-2010 history
2010HJ 595-2010 Water quality.Determination of the total amount of the color developing agent.169 Coupler spectrophotometry