WARNING: Personnel applying this standard should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/T 223 specifies the determination of lead content by carrier precipitation-xylenol orange spectrophotometry. This part applies to the determination of lead content in carbon steel, alloy steel, superalloy and precision alloy with a mass fraction of 0.0005% to 0.25%.
GB/T 223.29-2008 Referenced Document
GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
GB/T 223.29-2008 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