HB/Z 339.1-1999
Analytical method of chromic acid anodic oxidation solution of aluminum alloy Determination of free chromium trioxide and total chromium trioxide content by potentiometric titration (English Version)
- Standard No.
- HB/Z 339.1-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Aviation
- Latest
- HB/Z 339.1-1999
- Replace
- HB/Z 5104-1978[二(一)]
- Scope
- This standard specifies the method principle, reagents, instruments, analysis steps and calculation of analysis results for the determination of free chromium trioxide and total chromium trioxide content in chromic acid anodizing solutions using potentiometric titration. This standard is applicable to the determination of free chromium trioxide and total chromium trioxide in chromic acid anodizing solutions. Measuring range: free chromium trioxide 20~60g/L. Total chromium trioxide is 20~110g/L.
HB/Z 339.1-1999 Referenced Document
- GB 601-1988 Preparation of Standard Solutions for Titration Analysis (Volume Analysis) of Chemical Reagents
HB/Z 339.1-1999 history
- 1999 HB/Z 339.1-1999 Analytical method of chromic acid anodic oxidation solution of aluminum alloy Determination of free chromium trioxide and total chromium trioxide content by potentiometric titration
- 1979 HB/Z 5104-1978 Analysis method of aluminum alloy anodic oxidation solution
