GB/T 14849.2-1993
Replaced
YB/T 4509-2017
Abolished
Industry standards-Black metallurgy
YB/T 4509-2017 Direct reduction iron determination of iron metal content using potassium dichromate decomposition and titration with iron(III) chloride
YB/T 4509-2017 Direct reduction iron determination of iron metal content using potassium dichromate decomposition and titration with iron(III) chloride
Basic Information
Standard Code:
YB/T 4509-2017
Standard Type:
Industry standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Iron ore
ICS Name:
Iron ore
Publish Date:
2017-11-07
Implement Date:
2018-04-01
Pages:
7 pages
Scope
This standard specifies the determination of the metal iron content in iron using the decomposition of ferric chloride and the titration of potassium dichromate. This standard is applicable to the determination of the metal iron content in directly reduced iron, and the determination range (mass fraction) is ≥15.00%.
Development Information
Related Standards
GB/T 10322.1-2000
Replaced
GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures
GB/T 10322.2-2000
Active
GB/T 10322.2-2000 Iron ores—Experimental methods for evaluation of quality variation
GB/T 10322.3-2000
Replaced
GB/T 10322.3-2000 Iron ores—Experimental methods for checking the precision of sampling
GB/T 10322.4-2000
Replaced
GB/T 10322.4-2000 Iron ores—Experimental methods for checking the bias of sampling
GB/T 10322.5-2000
Replaced