A proposal of reference values for relative uncertainty increase in spectrophotometric analysis of pharmaceutical formulations
-
Robert Skibiński
,
Łukasz Komsta
Abstract
The LBOZ criterion is an interesting approach for quantifying selectivity during spectrophotometric analysis by measuring the relative uncertainty increase caused by spectral overlapping. Unfortunately, no reference values for pharmaceuticals analysis in the UV region exist. The current paper presents an estimation of the LBOZ distribution as a random variable for binary and ternary drug mixtures. The estimation was done on a representative group of 170 diverse drug-like compounds. Results of the estimation were fitted to the beta and the Johnson distributions. The obtained parameters can be used to examine the “significance” of the spectral overlap by finding the p-value, interpreted as a chance to obtain higher uncertainty increase among the drugs.
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© 2009 Institute of Chemistry, Slovak Academy of Sciences
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Articles in the same Issue
- A proposal of reference values for relative uncertainty increase in spectrophotometric analysis of pharmaceutical formulations
- Spectrophotometric quantification of fluoxetine hydrochloride: Application to quality control and quality assurance processes
- A simple turbidimetric flow injection system for saccharin determination in sweetener products
- Determination of metoprolol tartrate by capillary isotachophoresis
- Model predictive control of a CSTR: A hybrid modeling approach
- Application of extended NRTL equation for ternary liquid-liquid and vapor-liquid-liquid equilibria description
- Synthesis, DNA binding, and antimicrobial studies of novel metal complexes containing a pyrazolone derivative Schiff base
- Synthesis, spectral and electrochemical study of coordination molecules Cu4OX6L4: 4-cyanopyridine Cu4OBrnCl(6−n)(4-CNpy)4 complexes
- Synthesis, spectral and electrochemical study of coordination molecules Cu4OX6L4: 3-cyanopyridine Cu4OBrnCl(6−n)(3-CNpy)4 complexes
- Deposition and release of chlorhexidine from non-ionic and anionic polymer matrices
- Synthesis of new antimicrobial 4-aminosubstituted 3-nitrocoumarins
- Spectroscopic characterization of halogen- and cyano-substituted pyridinevinylenes synthesized without catalyst or solvent
- Chemical composition and antimicrobial activity of Erodium species: E. ciconium L., E. cicutarium L., and E. absinthoides Willd. (Geraniaceae)
- Photo-Fenton and photo-Fenton-like processes for the degradation of methyl orange in aqueous medium: Influence of oxidation states of iron
- Voltammetry of resazurin at a mercury electrode
- Effect of dielectric medium on angiotensin converting enzyme inhibitors binding to Zn2+
- HPLC analysis of a syrup containing nimesulide and its hydrolytic degradation product
