- Standard No.
- GB/T 4333.9-1988
- Language
- Chinese
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 4333.4-2007
- Lastest
-
GB/T 4333.4-2007
- Scope
- This standard specifies the determination of aluminum content by flame atomic absorption spectrometry. This standard is applicable to the determination of aluminum content in ferrosilicon, with a determination range of 0.05% to 5.00%.
GB/T 4333.9-1988 history
- 2007 GB/T 4333.4-2007 Ferrosilicon-Determination of aluminium content-The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method
- 1988 GB/T 4333.9-1988 Methods for chemical analysis of ferrosilicon--The flame atomic absorption spectrometric method for the determination of aluminium content
GB/T 4333.9-1988 Methods for chemical analysis of ferrosilicon--The flame atomic absorption spectrometric method for the determination of aluminium content was changed to GB/T 4333.4-2007 Ferrosilicon-Determination of aluminium content-The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method.