JB/T 7948.8-1999
Methods for chemical analysis of melted welding fluxes.The "molybdenum blue"photometric method for determination of phosphorus content (English Version)
- Standard No.
- JB/T 7948.8-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2018-04
- Replace By
- JB/T 7948.6-2017
- JB/T 7948.8-2017
- Latest
- JB/T 7948.6-2017
- JB/T 7948.8-2017
- Replace
- JB/T 7948.8-1995
- Scope
- This standard is applicable to the determination of phosphorus content in smelting flux. Measuring range: 0.010% ~ 0.20%. This standard complies with GB/T 1467-1978 "General Provisions and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".
JB/T 7948.8-1999 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 7948.8-1999 Methods for chemical analysis of melted welding fluxes.The "molybdenum blue"photometric method for determination of phosphorus content was changed to JB/T 7948.6-2017 Methods for chemical analysis of fluxes Part 6: Determination of phosphorus content.
