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Chemometric and chromatographic methods for simultaneous determination of isopropamide iodide, diphenylpyraline hydrochloride and phenylpropanolamine hydrochloride in pharmaceutical mixtures

  • In: SIG Quality of Pharmaceuticals - Poster Session
  • At: Cairo (Egypt) (2005)
  • Type: Poster
  • Poster code: QP-P-003
  • By: NAGY, Hoda (Faculty of pharmacy, Pharmaceutical analytical chemistry, Alexandria, Egypt)
  • Co-author(s): Mahgoub (Faculty of pharmacy, ALEXANDRIA, Egypt)
    Korany (Faculty of pharmacy, ALEXANDRIA, Egypt)
    Fahmy (Faculty of Pharmacy, CAIRO, Egypt)
    Maher (Faculty of pharmacy, ALEXANDRIA, Egypt)
  • Abstract:

    General chemometric methods are outlined for the use of orthogonal polynomials for unequal intervals (OPU) to eliminate interferences in multi-component spectrophotometric analysis. The methods are useful when the absorption spectra of the analytes show considerable overlap. The unequal interval wavelengths are selected according to the shape of..

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Last update 4 October 2019

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