Qualification of UV-Visible Spectrophotometer explains tests ensuring accuracy performance and reliability of the instrument.
Qualification of UV-Visible spectrophotometer
- Qualification ensures the UV-Vis spectrophotometer performs according to specific criteria.
Qualification Steps:
- Design Qualification (DQ): Verify instrument design meets user specifications.
- Installation Qualification (IQ): Verify correct installation per manufacturer instructions (e.g., correct electrical supply, environmental conditions).
- Operational Qualification (OQ): Conduct operational checks including wavelength accuracy, wavelength repeatability, photometric accuracy, stray light test, resolution, baseline stability.
- Performance Qualification (PQ): Verify instrument consistently delivers accurate results with actual samples, demonstrating repeatability and reproducibility.
Typical Tests in Qualification:
- Wavelength accuracy: Using holmium oxide standard solutions.
- Photometric accuracy: Using potassium dichromate standard solutions.
- Stray light tests: Using sodium iodide or potassium chloride solutions.
- Resolution tests: Using toluene in hexane standard solution.
