JB/T 7948.6-1999 Methods for chemical analysis of melted welding fluxes.The pyrolytic method for determination of calcium fluoride content (English Version)
This standard is applicable to the determination of calcium fluoride content in smelting flux. The measurement range is 3.00%~40.0%. This standard complies with GB/T 1467-1978 "General Provisions and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".
JB/T 7948.6-1999 history
2017JB/T 7948.5-2017 Methods for chemical analysis of fluxes Part 5: Determination of calcium fluoride content
1999JB/T 7948.6-1999 Methods for chemical analysis of melted welding fluxes.The pyrolytic method for determination of calcium fluoride content
1970JB/T 7948.6-1995 Methods of Chemical Analysis of Soldering Fluxes Part 6: Determination of Phosphorus Content
JB/T 7948.6-1999 Methods for chemical analysis of melted welding fluxes.The pyrolytic method for determination of calcium fluoride content was changed to JB/T 7948.5-2017 Methods for chemical analysis of fluxes Part 5: Determination of calcium fluoride content.