JB/T 7520.3-1994
Chemical analysis method for phosphorus copper brazing filler metal Determination of phosphorus content with vanadium-molybdenum acid (English Version)
- Standard No.
- JB/T 7520.3-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- Professional Standard - Machinery
- Status
- 2018-04
- Replace By
- JB/T 7520.3-2017
- Latest
- JB/T 7520.3-2017
- Scope
- This standard specifies the photometric determination of phosphorus content using vanadium molybdate acid. This standard is applicable to the determination of phosphorus content in phosphorus copper solder, with a measurement range of 4.00% to 8.00%.
JB/T 7520.3-1994 history
- 2017 JB/T 7520.3-2017 Chemical analysis methods for copper-based solders Part 3: Determination of phosphorus content
- 1994 JB/T 7520.3-1994 Chemical analysis method for phosphorus copper brazing filler metal Determination of phosphorus content with vanadium-molybdenum acid
