JB/T 7948.11-1995 Methods for chemical analysis of melted welding fluxes.The direct combustion-iodimetric method for determination of sulfur content (English Version)
2018JB/T 7948.8-2017 Soldering Flux Chemical Analysis Methods Part 8: Determination of Carbon and Sulfur Content
1999JB/T 7948.11-1999 Methods for chemical analysis of melted welding fluxes.The direct combustion-iodimetric method for determination of sulfur content
1970JB/T 7948.11-1995 Methods for chemical analysis of melted welding fluxes.The direct combustion-iodimetric method for determination of sulfur content