응용 프로그램 및 비 파괴적인 ¹⁹F 시간 영역 NMR 기법의 방법론 포함 하는 불 소 약 제품에 콘텐츠를 측정 하

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Preparation of Samples and NMR Instrument for ¹⁹F TD-NMR Measurement

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Conclusion

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Measurement of the T₁ or Longitudinal Relaxation Time for Standard Pure API Samples

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Measuring Calibration Samples with Pure API

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Measuring Drug Product Samples as Tablets

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Calculation of the Fluorinated API Drug Weight in the Formulated Drug Product Using the Calibration Curves

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Results: Evaluation of the Average Drug Content of Cinacalcet in Tablet Dosage Forms by Low-field Fluorine-19 Time-domain Nuclear Magnetic Resonance

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Generation of Calibration Curves with Pure API Samples and Adding the Data from Drug Product Samples as Tablets in the Calibration Curve