YS/T 574.2-2006 Zirconium Powder Chemical Analysis Method for Electric Vacuum Determination of Iron with Sulfosalicylic Acid Spectrophotometry (English Version)
2009YS/T 574.2-2009 Methods for chemical analysis of zirconium powder for electro-vacuum uses.The sulfosalicylic acid spectrophotometric method for determination of iron
2006YS/T 574.2-2006 Zirconium Powder Chemical Analysis Method for Electric Vacuum Determination of Iron with Sulfosalicylic Acid Spectrophotometry