- Standard No.
- JB/T 7948.8-2017
- Language
- Chinese, Available in English version
- Release Date
- 2018
- Published By
- Professional Standard - Machinery
- Latest
-
JB/T 7948.8-2017
- Replace
-
JB/T 7948.10-1999
JB/T 7948.11-1999
JB/T 7948.8-2017 history
- 2017 JB/T 7948.6-2017 Methods for chemical analysis of fluxes Part 6: Determination of phosphorus content
- 1999 JB/T 7948.8-1999 Methods for chemical analysis of melted welding fluxes.The "molybdenum blue"photometric method for determination of phosphorus content
- 1970 JB/T 7948.8-1995 Methods for chemical analysis of melted welding fluxes.The "molybdenum blue"photometric method for determination of phosphorus content
JB/T 7948.8-2017 Soldering Flux Chemical Analysis Methods Part 8: Determination of Carbon and Sulfur Content has been changed from JB/T 7948.10-1999 Methods for chemical analysis of melted welding fluxes.The direct combustion-coulomb method for determination of total carbon content.
JB/T 7948.8-2017 Soldering Flux Chemical Analysis Methods Part 8: Determination of Carbon and Sulfur Content has been changed from JB/T 7948.11-1999 Methods for chemical analysis of melted welding fluxes.The direct combustion-iodimetric method for determination of sulfur content.