GB/T 3731-1983
Abolished
JB/T 7948.3-1999
Abolished
Industry standards-Mechanical
JB/T 7948.3-1999 Methods for chemical analysis of melted welding fluxes The permanganate photome tric method for determination of manganese oxide content
JB/T 7948.3-1999 Methods for chemical analysis of melted welding fluxes The permanganate photome tric method for determination of manganese oxide content
Basic Information
Standard Code:
JB/T 7948.3-1999
Standard Type:
Industry standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Welding and cutting
ICS Name:
Welding consumables
Publish Date:
1999-06-24
Implement Date:
2000-01-01
Pages:
4 pages
Development Information
Same series standard
JB/T 7948.1-1999 Methods for chemical analysis of melted welding fluxes The gravimetric method for determination of silicon dioxide content
JB/T 7948.2-1999 JB/T 7948.2-1999 Melted flux chemical analysis methods Electrochemical potentiometry method for determining manganese oxide content
JB/T 7948.4-1999 Methods for chemical analysis of melted welding fluxes The EDTA volumetric method for determination of aluminium oxide content
JB/T 7948.5-1999 Methods for chemical analysis of melted welding fluxes The sulfosalicylic acid photometric method for determination of iron oxide content
JB/T 7948.6-1999 Methods for chemical analysis of melted welding fluxes The pyrolytic method for determination of calcium fluoride content
JB/T 7948.7-1999 Methods for chemical analysis of melted welding fluxes The lead chlorofluoride-EDTA volumetric method for determination of calcium fluoride content
JB/T 7948.8-1999 Methods for chemical analysis melted welding fluxes The "molybdenum blue"photometric method for determination of phosphorus content
JB/T 7948.9-1999 Furnace graphite fusion method for chemical analysis of the determination of Na2O and K2O by flame photometry
JB/T 7948.10-1999 Melting flux chemical analysis method - combustion-coulomb method for carbon determination
JB/T 7948.11-1999 Methods for chemical analysis of melted welding fluxes The direct combustion-iodimetric method for determination of sulfur content
JB/T 7948.12-1999 Methods for chemical analysis of melted welding fluxes The EDTA volumatric method for determination of calcium oxide and magnesium oxide content
Replace the following standards
JB/T 7948.3-1995
Superseded by the following standards
Related Standards
GB/T 8454-1987
Replaced
GB/T 8454-1987 Determination of ferrous iron content in reduced ilmenite powder for welding rod
GB/T 11364-1989
Replaced
GB/T 11364-1989 Test method of spread-ability and clearance filling ability for filler metal
GB/T 13679-1992
Replaced
GB/T 13679-1992 Manganese base brazing filler metals
GB/T 13814-1992
Replaced
GB/T 13814-1992 Nickel and nickel alloy covered welding electrodes
GB/T 13815-1992
Replaced