698 results on '"Zenkevich I."'
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52. Estimation of properties of organic perfluoroalkyl derivatives using recurrent equations
53. Inertness criterion for gas-chromatographic systems
54. Differences in collision-induced dissociation of the protonated molecules of isomeric alkyl phenols
55. Analytical aspects of organic compounds retention indices dependence in reversed phase HPLC on the content of methanol in eluent
56. Decreasing the uncertainty of gas chromatographic quantification using the solvent’s signal in the method of external standard
57. Important features of retention indices determination in reversed-phase high performance liquid chromatography
58. Characteristic variations of gas-chromatographic retention indices for phases of variable composition
59. Estimation of octane rating of hydrocarbon homologs using logistic regression
60. Chromatographic component of identification of the transformation products of 1,1-dimethylhydrazine in the presence of sulfur
61. Areas of application and characteristics of quantitative chromatographic analysis by the consecutive standard addition method
62. Chromatographic characteristics of α-alkynols
63. Molecular parameters for gas chromatographic identification of E- and Z-isomers of unsaturated compounds
64. Dangerous tendency in the presentation of GC-MS identification results
65. Estimation of the dead times of gas-chromatographic systems under different temperature conditions with the use of recurrence relations
66. Gas chromatographic methods for the determination of trace organic pollutants in environmental samples
67. Calculating the acidity constants of homologues and isomers of organic acids by means of recurrence relations
68. Identification of organic reaction products in the absence of additivity of chromatographic retention indices. Chloro derivatives of methyl-tert-butyl ketone
69. Chromatographic identification of (E)- and (Z)-isomers of unsaturated organic compounds using their physicochemical characteristics
70. Determination of methyl-substituted phenols in water by gas chromatography with preliminary iodination
71. Use of the hexane-2,2,2-trifluoroethanol system in partition chromatography
72. Combined interpretation of chromatographic and mass spectral information in identifying condensation products of carbonyl compounds
73. Identification of unknown compound extracted from the hair of exhumed human remains using mass spectrometric and gas chromatographic data
74. Controlling the correctness of retention parameters variations in reversed phase HPLC using recurrent relations
75. Comparative characterization of different kinds of chromatographic quantification using the double standard addition method
76. Идентификация неизвестного компонента экстракта волос эксгумированных человеческих останков по масс-спектрометрическим и газохроматографическим данным
77. Сравнительная характеристика различных вариантов количественного хроматографического анализа методом двойной стандартной добавки
78. Контроль корректности вариаций параметров удерживания в обращенно-фазовой ВЭЖХ с использованием рекуррентных соотношений
79. Stability of diazocarbonyl compounds under the conditions of gas chromatography and chromatography-mass spectrometry analysis
80. Gas-chromatographic identification of products formed in iodination of methyl phenols by retention indices
81. Chromato-mass-spectrometric identification using partition coefficients in the system of hexane-2,2,2-trifluoroethanol
82. Modification of the algorithm of determining chromatographic retention indices for compensating their dependence on the ratio of analytes and reference components
83. Identification of the products of nonregioselective organic reactions by chromatography-mass spectrometry: Chloro derivatives of dialkyl ethers
84. Identification of isomeric alkylarenes with the use of additive relations for the evaluation of gas-chromatographic retention indices
85. Quantification of chloroanilines in drinking water by gas chromatography as bromo derivatives
86. Identification of bromination products of chloro-substituted anilines in aqueous environment by gas chromatography
87. Anomalous properties of flavonoids in reversed phase high performance liquid chromatography
88. Features of the chromatography-mass spectrometric identification of condensation products of the carbonyl compounds
89. Gas-chromatographic identification of chloro- and bromo-substituted anilines by their retention indices
90. Identification of the chlorination products of aliphatic ketones by gas chromatography and gas chromatography/mass spectrometry
91. Unique variations of the distribution coefficients of homologues in the perfluorodecalin-acetonitrile heterophase system
92. Gas-chromatographic retention indices in dependence on the ratio of analytes to reference components
93. Air oxidation of organic compounds in aqueous solutions. Ecochemical and analytical aspects
94. Coding of the Structural Features of Organic Compounds for the Estimation of Chromatographic Retention Indices With the USE of Additive Schemes
95. Equivalence of chromatographic adsorbent separon BD and nonpolar polydimethylsiloxane stationary phases
96. Determination of dissociation constants of species oxidizable in aqueous solution by air oxygen on an example of quercetin
97. Physicochemical constants as a factor determining the need for the derivatization of organic substances in analysis by gas chromatography
98. Recurrent approximation of densities and refractive indices of the homologs of different series
99. “Chemical” domains of definition of mathematic relations in organic chemistry
100. Chromato-mass-spectrometric identification of compounds with a branched carbon skeleton. Criteria for identifying tert-butyl groups in the structure of molecules
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