HG 5-1525-1985 Method for Determination of Hydroxyethylidene Diphosphonic Acid (HEDPA) in Phosphorus Compound Inhibitors in Industrial Circulating Cooling Water (English Version)
1970HG 5-1525-1985 Method for Determination of Hydroxyethylidene Diphosphonic Acid (HEDPA) in Phosphorus Compound Inhibitors in Industrial Circulating Cooling Water