JB/T 7520.4-1994
Chemical analysis method for phosphorus copper brazing filler metal Determination of antimony content with potassium iodide photometric method (English Version)
- Standard No.
- JB/T 7520.4-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- Professional Standard - Machinery
- Status
- 2018-04
- Replace By
- JB/T 7520.4-2017
- Latest
- JB/T 7520.4-2017
- Scope
- This standard specifies the photometric determination of antimony content using potassium iodide. This standard is applicable to the determination of the amount of antimony in phosphor copper solder, with a measurement range of 1.50% to 2.50%.
JB/T 7520.4-1994 history
- 2018 JB/T 7520.4-2017 Methods of chemical analysis of copper-based brazing filler metals-Part 4: Determination of antimony content
- 1994 JB/T 7520.4-1994 Chemical analysis method for phosphorus copper brazing filler metal Determination of antimony content with potassium iodide photometric method
