HB 5220.47-2008
Methods for chemical analysis of superalloys. Part 47: Determination of lead content by carrier precipitation-xylenol orange photometric method (English Version)
- Standard No.
- HB 5220.47-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- Professional Standard - Aviation
- Latest
- HB 5220.47-2008
- Replace
- HB 5220.47-1995
- Scope
- This part specifies the principles, reagents and materials, instruments, sample preparation, analysis steps, calculation of analysis results, tolerance and quality control and requirements for the determination of lead content in high-temperature alloys using the carrier precipitation-xylenol orange absorbance photometry method. This section applies to the determination of lead content in high-temperature alloys. It is also suitable for the determination of lead content in steel. Measuring range: 0.0005%~0.25%.
HB 5220.47-2008 Referenced Document
- GB/T 7729 Chemical analysis of metallurgical products—General rule for spectrophotometric methods*， 2021-08-20 Update
- HB 5421 General rules and general regulations for chemical composition analysis methods of metallic materials
- HB/Z 205 Specification for sampling of specimens for chemical analysis of steels and superalloys
HB 5220.47-2008 history
- 2008 HB 5220.47-2008 Methods for chemical analysis of superalloys. Part 47: Determination of lead content by carrier precipitation-xylenol orange photometric method
- 1970 HB 5220.47-1995 Method for Chemical Analysis of Superalloys Carrier Precipitation-Xylenol Orange Absorptiometry for Determination of Lead Content
