GB/T 3250-1982
Replaced
GB/T 14849.11-2016
Active
National standards
GB/T 14849.11-2016 Methods for chemical analysis of silicon metal—Part 11:Determination of chromium content—1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 14849.11-2016 Methods for chemical analysis of silicon metal—Part 11:Determination of chromium content—1,5-Diphenylcarbohydrazide spectrophotometric method
Basic Information
Standard Code:
GB/T 14849.11-2016
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:
2016-08-29
Implement Date:
2017-07-01
Pages:
6 pages
Scope
This part of GB/T 14849 specifies the method for determining the chromium content in industrial silicon. This part is applicable to the determination of chromium in industrial silicon, with a measurement range of 0.001% to 0.050%.
Development Information
Same series standard
Referenced Standards
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
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