GB/T 6455-1986
abolished_transferred
JB/T 7520.4-1994
Abolished
Industry standards-Mechanical
JB/T 7520.4-1994 Phosphorus copper brazing material chemical analysis method - Determination of antimony content by potassium sulfide photometry
JB/T 7520.4-1994 Phosphorus copper brazing material chemical analysis method - Determination of antimony content by potassium sulfide photometry
Price:
$ 30
Basic Information
Standard Code:
JB/T 7520.4-1994
Standard Type:
Industry standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Welding and cutting
ICS Name:
Non-ferrous metals
Publish Date:
1994-12-09
Implement Date:
1995-10-01
Pages:
2 pages
Development Information
Same series standard
JB/T 7520.1-1994 Chemical Analysis Methods for Phosphorus Bronze Brazing Alloys - Determination of Copper Content by EDTA Volumetric Method
JB/T 7520.2-1994 Phosphor Copper Solder Chemical Analysis Method: Silver Determination by Silver Chloride Weighing Method
JB/T 7520.3-1994 The chemical analysis method for phosphorus copper brazing material using the method of measuring phosphorus by using barium molybdate photometry
JB/T 7520.5-1994 The chemical analysis method for phosphorus copper brazing material: tin determination by hypophosphite reduction capacity method
JB/T 7520.6-1994 The Chemical Analysis Method for Copper-Phosphorus Solder: Determination of Nickel Using Diacetylmonoxime Spectrophotometry
Superseded by the following standards
Related Standards
GB/T 8549-1987
abolished_transferred
GB/T 8549-1987 Metallic powder material—Self-fluxing Fe-Cr-B-Si alloy powder
GB/T 13822-1992
Replaced
GB/T 13822-1992 Test specimens for non ferrous diecasting alloys
GB/T 4461-1992
Replaced
GB/T 4461-1992 Thermostatic bimetal strips
GB/T 14146-1993
Replaced
GB/T 14146-1993 Silicon epitaxial layers—Determination of carrier concentration—Mercury probe Valtage-capacitance method
GB/T 6617-1995
Replaced