- Standard No.
- GB/T 4702.5-2008
- 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 4702.5-2008
- Replace
-
GB/T 4702.6-1984
GB/T 4702.5-1984
- 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 specifies the disodium edetate titration method and flame atomic absorption spectrometry for the determination of aluminum content in metallic chromium. This section applies to the determination of aluminum content in metallic chromium. Measuring range (mass fraction): 0.10% to 1.00%.
GB/T 4702.5-2008 Referenced Document
- GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis*, 2015-09-11 Update
GB/T 4702.5-2008 history
- 2008 GB/T 4702.5-2008 Chromium metal. Determination of aluminium content. EDTA titrimetric method and flame atomic absorption spectrometric method
- 1984 GB/T 4702.5-1984 Methods for chemical analysis of chromium metal--The atomic absorption spectrophotometric method for the determination of aluminum content
GB/T 4702.5-2008 Chromium metal. Determination of aluminium content. EDTA titrimetric method and flame atomic absorption spectrometric method has been changed from GB/T 4702.6-1984 Methods for chemical analysis of chromium metal--The EDTA volumetric method for the determination of aluminum content.