Specificities of using differential characteristics of organic compounds for their group identification

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Specificities of using differential characteristics of organic compounds for their group identification. / Zenkevich, I. G.

In: Russian Journal of General Chemistry, Vol. 87, No. 4, 01.04.2017, p. 795-804.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{4097a8d35b9844bc8a4b4522daa346a7,

title = "Specificities of using differential characteristics of organic compounds for their group identification",

abstract = "The possibility of group identification of organic compounds, specifically their assignment to the corresponding homologous series) on the basis of differential quantities, such as differences in their physicochemical characteristics or analytical parameters, is considered. The first example of using difference in the refractive indices at different wavelengths for the determination of the overall concentration of aromatic hydrocarbons in gasoline fractions is described. Various methods for the assignment of unknown compounds to homologous series are analyzed, in particular those based on the limiting values of refractive indices and relative densities, differences in gas chromatographic retention indices on stationary phases of different polarities, combinations of gas chromatographic retention indices with partition coefficients for heterogeneous organic solvent systems, and two versions of combinations of mass spectrometric and GC parameters, namely molecular retention indices and homologous increments of retention indices. The latter version (as the most important) is illustrated in detail by a particular example.",

keywords = "differential characteristics of organic compounds, group identification, homologous series",

author = "Zenkevich, {I. G.}",

year = "2017",

month = apr,

day = "1",

doi = "10.1134/S1070363217040211",

language = "English",

volume = "87",

pages = "795--804",

journal = "Russian Journal of General Chemistry",

issn = "1070-3632",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "4",

}

RIS

TY - JOUR

T1 - Specificities of using differential characteristics of organic compounds for their group identification

AU - Zenkevich, I. G.

PY - 2017/4/1

Y1 - 2017/4/1

N2 - The possibility of group identification of organic compounds, specifically their assignment to the corresponding homologous series) on the basis of differential quantities, such as differences in their physicochemical characteristics or analytical parameters, is considered. The first example of using difference in the refractive indices at different wavelengths for the determination of the overall concentration of aromatic hydrocarbons in gasoline fractions is described. Various methods for the assignment of unknown compounds to homologous series are analyzed, in particular those based on the limiting values of refractive indices and relative densities, differences in gas chromatographic retention indices on stationary phases of different polarities, combinations of gas chromatographic retention indices with partition coefficients for heterogeneous organic solvent systems, and two versions of combinations of mass spectrometric and GC parameters, namely molecular retention indices and homologous increments of retention indices. The latter version (as the most important) is illustrated in detail by a particular example.

AB - The possibility of group identification of organic compounds, specifically their assignment to the corresponding homologous series) on the basis of differential quantities, such as differences in their physicochemical characteristics or analytical parameters, is considered. The first example of using difference in the refractive indices at different wavelengths for the determination of the overall concentration of aromatic hydrocarbons in gasoline fractions is described. Various methods for the assignment of unknown compounds to homologous series are analyzed, in particular those based on the limiting values of refractive indices and relative densities, differences in gas chromatographic retention indices on stationary phases of different polarities, combinations of gas chromatographic retention indices with partition coefficients for heterogeneous organic solvent systems, and two versions of combinations of mass spectrometric and GC parameters, namely molecular retention indices and homologous increments of retention indices. The latter version (as the most important) is illustrated in detail by a particular example.

KW - differential characteristics of organic compounds

KW - group identification

KW - homologous series

UR - http://www.scopus.com/inward/record.url?scp=85019644872&partnerID=8YFLogxK

U2 - 10.1134/S1070363217040211

DO - 10.1134/S1070363217040211

M3 - Article

AN - SCOPUS:85019644872

VL - 87

SP - 795

EP - 804

JO - Russian Journal of General Chemistry

JF - Russian Journal of General Chemistry

SN - 1070-3632

IS - 4

ER -

ID: 34723180