- Standard No.
- GB/T 223.9-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 223.9-2008
- Replace
-
GB/T 223.9-2000
GB/T 223.10-2000
- Scope
- WARNING: Personnel applying this standard should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/T 223 stipulates the determination of the content of acid-soluble aluminum by chrome azure S spectrophotometry and the determination of aluminum content by copper and iron reagent separation-chrome azure S spectrophotometry. Method 1 in this part is applicable to the determination of acid-soluble aluminum content in steel and alloys with a mass fraction of 0.050% to 1.00%; method 2 in this part is applicable to the determination of aluminum content in steel and alloys with a mass fraction of 0.015% to 0.50%.
GB/T 223.9-2008 Referenced Document
- GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
- GB/T 6379.1 Accuracy(trueness and precision)of measurement methods and results Part 1:General principles and definitions
- GB/T 6379.2 Accuracy(trueness and precision)of measurement methods and results-Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
GB/T 223.9-2008 history
- 2008 GB/T 223.9-2008 Iron,steel and alloy.Determination of aluminium content.Chrome azurol S photometric method
- 2000 GB/T 223.9-2000 Methods for chemical analysis of iron,steel and alloy The chrom azurol S photometric method for the determination of aluminium content
GB/T 223.9-2008 Iron,steel and alloy.Determination of aluminium content.Chrome azurol S photometric method has been changed from GB/T 223.10-2000 Methods for chemical analysis of iron,steel and alloy The cupferron separation-chrome azurol S photometric method for the determination of aluminium content.