- Standard No.
- JB/T 7948.6-2017
- Language
- Chinese, Available in English version
- Release Date
- 2017
- Published By
- 工业和信息化部/国家能源局
- Latest
-
JB/T 7948.6-2017
- Replace
-
JB/T 7948.8-1999
JB/T 7948.6-2017 history
- 2017 JB/T 7948.5-2017 Methods for chemical analysis of fluxes Part 5: Determination of calcium fluoride content
- 1999 JB/T 7948.6-1999 Methods for chemical analysis of melted welding fluxes.The pyrolytic method for determination of calcium fluoride content
- 1970 JB/T 7948.6-1995 Methods of Chemical Analysis of Soldering Fluxes Part 6: Determination of Phosphorus Content
JB/T 7948.6-2017 Methods for chemical analysis of fluxes Part 6: Determination of phosphorus content has been changed from JB/T 7948.8-1999 Methods for chemical analysis of melted welding fluxes.The "molybdenum blue"photometric method for determination of phosphorus content.