This standard specifies the investigation, collection and preparation methods for industrial circulating cooling water scale and corrosion product samples. This standard is applicable to the investigation, collection and preparation of samples of dirt and corrosion products in cooling water systems during factory maintenance.
HG/T 3530-2003 history
2012HG/T 3530-2012 Industrial circulating cooling water.Sampling and production for sludge and corrosion products
2004HG/T 3530-2003 Industrial circulating cooling water-Surveys, sampling and production for sludge and corrosion products