YB/T 190.5-2001 Methods for chemical analysis of continuous casting mold powder The flame atomic absorption spectrometric method for the determination of potassium oxide and sodium oxide content (English Version)
2016YB/T 190.5-2016 Continuous casting mold powder.Determination of potassium oxide and sodium oxide content.The flame atomic absorption spectrometric method
2000YB/T 190.5-2001 Methods for chemical analysis of continuous casting mold powder The flame atomic absorption spectrometric method for the determination of potassium oxide and sodium oxide content