YB/T 190.3-2001 Methods for chemical analysis of continuous casting mold powder EGTA titrimetric method for the determination of calcium oxide content (English Version)
2015YB/T 190.3-2015 Continuous casting mold powder.Determination of total calcium content.EGTA titrimetric method
2000YB/T 190.3-2001 Methods for chemical analysis of continuous casting mold powder EGTA titrimetric method for the determination of calcium oxide content