GB/T 6609.10-2004
Active
YS/T 273.7-2024
Active
Industry standards-Non-ferrous metals
YS/T 273.7-2024 YS/T 273.7-2024 Ice-crystaltreatment method for chemical analysis and determination of physical properties Part 7: Determination of iron oxide content by spectrophotometry using o-phenanthroline method
YS/T 273.7-2024 YS/T 273.7-2024 Ice-crystaltreatment method for chemical analysis and determination of physical properties Part 7: Determination of iron oxide content by spectrophotometry using o-phenanthroline method
Basic Information
Standard Code:
YS/T 273.7-2024
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Metallurgical raw materials and auxiliary materials
ICS Name:
Materials used in aluminum production
Publish Date:
2024-10-24
Implement Date:
2025-05-01
Scope
This document is applicable to the determination of the iron trioxide content in cryolite, with a measurement range of 0.0050% to 0.50%.
Development Information
Same series standard
Replace the following standards
Related Standards
GB/T 6609.11-2004
Active
GB/T 6609.11-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of manganous oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.1-2004
Replaced
GB/T 6609.1-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of moisture-Gravimetric method
GB/T 6609.12-2004
Replaced
GB/T 6609.12-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of zinc oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.13-2004
Active
GB/T 6609.13-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of calcium oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.14-2004
Active