HB 5422.20-1989
Methods for chemical analysis of copper alloys Determination of phosphorus content by phosphorous vanadium molybdenum yellow absorptiophotometry (I) (English Version)
- Standard No.
- HB 5422.20-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Aviation
- Latest
- HB 5422.20-1989
- Scope
- This standard specifies the method principle, reagents, instruments, analysis steps, drawing of working curves, calculation of analysis results and allowable differences for the determination of phosphorus content in copper alloys using the phosphorus vanadium molybdenum yellow absorption photometry method. This standard is applicable to the determination of phosphorus content in brass, aluminum bronze and beryllium bronze. The measurement range is: 0.010% ~ 0.100%.
HB 5422.20-1989 history
- 1989 HB 5422.20-1989 Methods for chemical analysis of copper alloys Determination of phosphorus content by phosphorous vanadium molybdenum yellow absorptiophotometry (I)
