JB/T 7948.2-1999 Methods for chemical analysis of melted welding fluxes.The potentiometric method for determination of manganese oxide content (English Version)
This standard is applicable to the determination of manganese oxide content in smelting flux. The measurement range is 2.0%~50.0%. This standard complies with GB/T 1467-1978 "General Provisions and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".
JB/T 7948.2-1999 history
2017JB/T 7948.2-2017 Methods for chemical analysis of fluxes Part 2: Determination of manganese oxide content
1999JB/T 7948.2-1999 Methods for chemical analysis of melted welding fluxes.The potentiometric method for determination of manganese oxide content
1970JB/T 7948.2-1995 Methods of chemical analysis of fluxes - Part 2: Determination of manganese oxide content