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Related Experiment Videos

Rapid and accurate stability-indicating assay for nitroglycerin.

D M Baaske, J E Carter, A H Amann

    Journal of Pharmaceutical Sciences
    |April 1, 1979
    PubMed
    Summary

    A new high-pressure liquid chromatography method accurately measures nitroglycerin in liquid medications and IV solutions. This rapid analysis provides reliable results for common concentrations, improving quality control.

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    Area of Science:

    • Analytical Chemistry
    • Pharmaceutical Analysis

    Background:

    • Accurate quantification of nitroglycerin is crucial for therapeutic efficacy and patient safety.
    • Existing methods may lack the speed or precision required for routine quality control of pharmaceutical formulations.

    Purpose of the Study:

    • To develop and validate a rapid, high-pressure liquid chromatographic (HPLC) method for nitroglycerin determination.
    • To assess the method's accuracy and precision across clinically relevant concentration ranges.

    Main Methods:

    • Utilized high-pressure liquid chromatography (HPLC) with a variable wavelength detector set at 218 nm.
    • Employed a micro-alkyl phenyl column and a mobile phase consisting of acetonitrile-tetrahydrofuran-water (26:10:64).
    • Analyzed liquid dosage forms and intravenous admixture solutions.

    Main Results:

    • Achieved a coefficient of variation below 1.8% for nitroglycerin concentrations between 50-500 microgram/ml.
    • The entire analytical procedure was completed within 12 minutes.
    • Demonstrated high precision and accuracy for nitroglycerin quantification.

    Conclusions:

    • The developed HPLC method is rapid, accurate, and precise for quantifying nitroglycerin.
    • This method is suitable for routine quality control of nitroglycerin in liquid dosage forms and IV admixtures.
    • Offers a valuable tool for pharmaceutical analysis and ensuring drug product quality.

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