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Multiple linear regression analysis of RF values of chlorinated catechols and guaiacols

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Summary

The multiple linear regression analysis of the RF values of chlorinated catechols and guaiacols has been carried out. The resolved terms, in the regression equation have been used to explain the relative mobility of chlorinated compounds to the reference compound (catechol or guaiacol). The best correlations have been observed for solvent systems which give the greatest standard deviations and relative differences between the RF values. A good correlation between the standard deviation of the RF values and the term which represents the effect of the chlorine atom ortho to the hydroxyl group(s) have also been observed.

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Abbreviations

i:

index of compound

j:

index of solvent system

n io(OH) :

number of chlorine atoms in the ortho position to the hydroxyl group

no OCH i3 :

number of chlorine atoms in the ortho position to the methoxy group

n itot :

total number of chlorine atoms on the aromatic skeleton

c:

RF value of reference compound (catechol or guaiacol) obtained with same solvent system as R iF (RF value of the compound i), or optimized value in the case when RF value of reference compound is not available

f jo(OH) :

factor which represents effect of chlorine ortho to the hydroxyl group(s)

fo OCH j3 :

factor which represents effect of chlorine ortho to the methoxy group

f jav :

average effect of all chlorine substituents in the molecule

References

  1. J. Knuutinen, J. Chromatogr.209, 446 (1981).

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  3. J. Knuutinen andJ. Tarhanen, J. Chromatogr.207, 154 (1981).

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  4. L. Ogierman andJ. Sliwiok, Microchem J.23, 285 (1978).

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Authors and Affiliations

  1. Department of Chemistry, University of Jyväskylä, SF-40100, Jyväskylä 10, Finland

    E. Kolehmainen & J. Knuutinen

Authors
  1. E. Kolehmainen
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  2. J. Knuutinen
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Kolehmainen, E., Knuutinen, J. Multiple linear regression analysis of RF values of chlorinated catechols and guaiacols. Chromatographia 14, 626–628 (1981). https://doi.org/10.1007/BF02291100

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  • DOI: https://doi.org/10.1007/BF02291100

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