HB 5220.27-2008 Methods for chemical analysis of superalloys. Part 27: Determination of copper content by cupral-ethyle ether extraction photometric method (English Version)
This part specifies the principles, reagents, instruments, sample preparation, analysis steps, calculation of analysis results, tolerances, and quality control and requirements for the determination of copper content in high-temperature alloys using the copper reagent-ether extraction absorbance photometry method. This section applies to the determination of copper content in high-temperature alloys. Measuring range: 0.01% ~ 0.50%.
HB 5220.27-2008 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 5220.27-2008 history
2008HB 5220.27-2008 Methods for chemical analysis of superalloys. Part 27: Determination of copper content by cupral-ethyle ether extraction photometric method
1995HB 5220.27-1995 Methods for chemical analysis of superalloys Copper reagent-ether extraction absorptiometry for determination of copper content