Journal of Analytical Chemistry

, Volume 56, Issue 4, pp 324–329 | Cite as

Peak Coincidence Tests in Qualitative Chromatographic Analysis: Taking into Account the Reproducibility of Retention Characteristics

  • V. I. Vershinin
  • V. A. Topchii
  • I. I. Medvedovskaya


Probabilistic algorithms are proposed for calculating the values of chromatographic peak coincidence. These algorithms take into account the standard deviation of normally distributed retention characteristics (σ) and the selectivity of the tabulated values. At a high selectivity, the 3σ value is recommended for the assignment of well-reproducible and widely spaced peaks. In more complicated cases, it is desirable to use values that take into account the number of repeated tests and minimize the integrated probability of errors of first and second kinds, which are associated with a random shift of peaks in chromatographing a sample.


Standard Deviation Analytical Chemistry High Selectivity Chromatographic Analysis Chromatographic Peak 
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Copyright information

© MAIK “Nauka/Interperiodica” 2001

Authors and Affiliations

  • V. I. Vershinin
    • 1
  • V. A. Topchii
    • 1
  • I. I. Medvedovskaya
    • 1
  1. 1.Omsk State UniversityOmskRussia

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