GB/T 3250-1982
Replaced
GB/T 20975.31-2019
Active
National standards
GB/T 20975.31-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 31:Determination of phosphorus content—Molybdenum blue spectrophotometry
GB/T 20975.31-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 31:Determination of phosphorus content—Molybdenum blue spectrophotometry
Price:
$ 42
Basic Information
Standard Code:
GB/T 20975.31-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for light metals and their alloys
ICS Name:
Aluminum and aluminum alloys
Publish Date:
2019-06-04
Implement Date:
2020-05-01
Pages:
7 pages
Scope
This part of GB/T 20975 specifies the method of determining the phosphorus content in aluminum and aluminum alloys by the molybdenum blue spectrophotometry method.
This part is applicable to the determination of phosphorus content in aluminum and aluminum alloys. The determination range is: 0.000 1% to 0.05%.
Development Information
Same series standard
GB/T 20975.28-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry
GB/T 20975.29-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry
GB/T 20975.30-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 30:Determination of hydrogen content—Heating extraction-thermal conductivity method
Referenced Standards
Related Standards
GB/T 3251-1982
Replaced
GB/T 3251-1982 Aluminium and aluminium alloys—Compression test method for tubes
GB/T 3252-1982
Replaced
GB/T 3252-1982 Aluminium and aluminium alloys Shear test method for rivet wire and rivets
GB/T 3172-1982
Abolished
GB/T 3172-1982 Determination of adhesion ratio of aluminium powder Steel plate method
GB/T 3173-1982
Abolished
GB/T 3173-1982 Determination of coating surface of aluminium powder on water
GB/T 4438-1984
Replaced