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[Validation of triiodothyronine sodium analysis method]
Y Ramos Rodrigo1, M J Méndez Fernández
1Servicio de Farmacia, Hospital Militar, Zaragoza, Spain.
Summary
This study validates ultraviolet spectrophotometry for analyzing triiodothyronine sodium, ensuring reliable quality control for manufacturing 25 mcg capsules. The method demonstrates excellent linearity, repeatability, and accuracy.
Area of Science:
- Analytical Chemistry
- Spectroscopy
Context:
- Quality control of pharmaceutical ingredients is crucial for drug safety and efficacy.
- Triiodothyronine sodium is an active pharmaceutical ingredient used in capsule formulations.
Purpose:
- To validate the ultraviolet spectrophotometry (UV-Vis) method for quantifying triiodothyronine sodium.
- To establish the suitability of the UV-Vis method for routine quality control in pharmaceutical manufacturing.
Summary:
- The UV-Vis method was validated for triiodothyronine sodium, showing a linear response (r² = 0.9985) across the tested concentration range.
- Repeatability and reproducibility studies yielded coefficients of variation around 2%, indicating high precision.
- Accuracy assessments confirmed the method's reliability, with mean recovery close to 100%.
Impact:
- Provides a validated analytical method for ensuring the quality of triiodothyronine sodium raw material.
- Supports the consistent manufacturing of 25 mcg triiodothyronine sodium capsules.
- Enhances confidence in the pharmaceutical quality control process for this active ingredient.