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[Determination of nimodipine using electroanalysis]
1Vojnomedicinska akademija, Institut za farmaciju, Beograd.
Vojnosanitetski Pregled
|March 3, 1998
Summary
Potentiometric titration accurately quantifies small nimodipine amounts (2-4 mg) with low variability. Conductometric titration offers a viable alternative for nimodipine analysis.
Area of Science:
- Analytical Chemistry
- Pharmaceutical Analysis
Context:
- Accurate quantification of nimodipine is crucial for pharmaceutical quality control.
- Existing analytical methods may have limitations in speed or sensitivity for small sample sizes.
Purpose:
- To describe and validate potentiometric and conductometric titration methods for nimodipine determination.
- To assess the accuracy and precision of these titration methods for small nimodipine quantities.
Summary:
- Potentiometric titration allows for rapid and accurate determination of small nimodipine amounts (2 mg, 4 mg) with a coefficient of variation (KV) below 2.7%.
- Conductometric titration serves as a reliable alternative method for quantitative nimodipine analysis, demonstrating a KV below 1.8%.
Impact:
- Provides validated, efficient analytical methods for nimodipine quantification.
- Offers practical alternatives for quality control laboratories handling small nimodipine samples.
- Contributes to ensuring the quality and safety of nimodipine-containing pharmaceutical products.