HB 5422.23-1989
Determination of zirconium content by arsenazoⅢ absorptiophotometric method for chemical analysis of copper alloy (English Version)
- Standard No.
- HB 5422.23-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Aviation
- Latest
- HB 5422.23-1989
- Scope
- This standard specifies the method principle, reagents, instruments, analysis steps, drawing of working curves, calculation of analysis results and tolerances for the determination of zirconium content in copper alloys using arsenazo III absorbance photometry. This standard is applicable to the determination of zirconium content in brass and zirconium bronze. When the alloy contains acid-insoluble zirconium, proceed according to Appendix A. Measuring range: 0.01% ~ 0.30%.
HB 5422.23-1989 history
- 1989 HB 5422.23-1989 Determination of zirconium content by arsenazoⅢ absorptiophotometric method for chemical analysis of copper alloy
