GB/T 223.27-1994 Methods for chemical analysis of iron, steel and alloy.The thiocyanate-butyl acetate extraction spectrophotometric method for the determination of molybdenum content (English Version)
This standard specifies the determination of molybdenum content by thiocyanate-butyl acetate extraction spectrophotometry. This standard is applicable to the determination of molybdenum content in pig iron, carbon steel and alloy steel. Measuring range: 0.0025% to 0.20%.
GB/T 223.27-1994 history
2008GB/T 223.26-2008 Iron,steel and alloy.Determination of molybdenum content.The thiocyanate spectrophotometric method
1994GB/T 223.27-1994 Methods for chemical analysis of iron, steel and alloy.The thiocyanate-butyl acetate extraction spectrophotometric method for the determination of molybdenum content
1984GB 223.27-1984 Methods for chemical analysis of iron,steel and alloy--The thiocyanate-butyl acetate extraction photometric method for the determination of molybdenum content
GB/T 223.27-1994 Methods for chemical analysis of iron, steel and alloy.The thiocyanate-butyl acetate extraction spectrophotometric method for the determination of molybdenum content was changed to GB/T 223.26-2008 Iron,steel and alloy.Determination of molybdenum content.The thiocyanate spectrophotometric method.