HB 5220.41-2008 Methods for chemical analysis of superalloys. Part 41: Determination of boron content by fluoroborate ion selective electrode method (English Version)
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 boron content in high-temperature alloys using the methofluoroborate ion selective electrode method. This section applies to the determination of boron content in high-temperature alloys. Measuring range: 0.005% ~ 0.20%.
HB 5220.41-2008 Referenced Document
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 5220.41-2008 history
2008HB 5220.41-2008 Methods for chemical analysis of superalloys. Part 41: Determination of boron content by fluoroborate ion selective electrode method
1970HB 5220.41-1995 Chemical Analysis Method of High Temperature Alloy Chloroborate Ion Selective Electrode Method for Determination of Boron Content