GB/T 223.29-1984 Methods for chemical analysis of iron,steel and alloy--The xylenol orange photometric method for determination of lead content after carrier precipitation
This standard is applicable to the determination of lead content in carbon steel, alloy steel, superalloy and precision alloy. Measuring range: 0.0005 ~ 0.25%. This standard complies with GB1467-78 "General Rules and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".
GB/T 223.29-1984 history
2008GB/T 223.29-2008 Iron,steel and alloy.Determination of lead content.Carrier precipitation-xylenol orange spectrophotometric method
1984GB/T 223.29-1984 Methods for chemical analysis of iron,steel and alloy--The xylenol orange photometric method for determination of lead content after carrier precipitation