Finding dissolved Aluminum in Acid solution

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SUMMARY

The discussion centers on the challenge of measuring dissolved aluminum in phosphoric acid solutions for aerospace applications. Nikhilesh Lal seeks alternatives to atomic absorption spectroscopy due to a lack of facilities, specifically looking for methods compatible with volumetric analysis. The conversation highlights the limitations of titration methods when other cations are present, emphasizing the need for precise techniques in aerospace material processing.

PREREQUISITES
  • Understanding of aluminum etching processes in aerospace applications
  • Familiarity with volumetric analysis techniques
  • Knowledge of atomic absorption spectroscopy principles
  • Awareness of the limitations of titration methods in multi-cation solutions
NEXT STEPS
  • Research alternative methods for measuring dissolved aluminum, such as colorimetric analysis
  • Explore the use of ion chromatography for cation analysis
  • Investigate the principles of atomic absorption spectroscopy for potential future implementation
  • Learn about the compatibility of various titration methods with different cationic interferences
USEFUL FOR

Aerospace engineers, chemists involved in material processing, and laboratory technicians seeking efficient methods for analyzing aluminum in acidic solutions.

Nikhileshlal
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Dear All,
I work towards realizing Aerospace parts. We etch Aluminum by phosphoric acid. Procedure requires us to do atomic absorption for finding the quantity of dissolved aluminum in acid solution.
I do not have facility for Atomic absorption method though I have an acceptable facility for normal titration (volumetric analysis) compatible to Aerospace requirements.
Can you suggest any method of finding dissolved aluminum in acid solution?

Regards
Nikhilesh Lal
Hyderabad, India.
 
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