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Author:Engewald, W.

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26 matching references were found.

Mann, G.; Werner, H.; Muehlstaedt, M.; Engewald, W., Conformation and Physical Data of Alkanes and Cyclanes. VI. Synthesis and Properties of Isomeric 1,2,4,5-Tetramethylcyclohexanes, Tetrahedron, 1971, 27, 3223-30. [all data]

Maurer, T.; Engewald, W.; Steinborn, A., Enhanced possibilities for identification using series-coupled capillary gas chromatographic columns. II. Retention indices as an identification tool in selectivity tuning, J. Chromatogr., 1990, 517, 77-86, https://doi.org/10.1016/S0021-9673(01)95711-5 . [all data]

Engewald, W.; Maurer, T., Enhanced possibilities for identification by the use of series-coupled capillary gas chromatographic columns. I. General exposition and application of the retention index concept, J. Chromatogr., 1990, 520, 3-13, https://doi.org/10.1016/0021-9673(90)85078-A . [all data]

Engewald, W.; Billing, U.; Topalova, I.; Petsev, N., Structure-retention correlations of alkylphenols in gas-liquid and gas-solid chromatography, J. Chromatogr., 1988, 446, 71-77, https://doi.org/10.1016/S0021-9673(00)94419-4 . [all data]

Engewald, W.; Billing, U.; Welsch, T.; Haufe, G., Structure-retention correlations of hydrocarbons in gas-liquid and gas-solid chromatography. Cycloalkenes and cycloalkadienes, Chromatographia, 1987, 23, 8, 590-594, https://doi.org/10.1007/BF02324870 . [all data]

Anders, G.; Anders, K.; Engewald, W., Identification of non-branched alkenylcycloalkanes with a terminal double bond from retention index increments, Chromatographia, 1985, 20, 2, 83-86, https://doi.org/10.1007/BF02280602 . [all data]

Maurer, T.; Welsch, Th.; Engewald, W., Non-Linearity of the Plot of Log (Adjusted Retention Time) Versus Carbon Number for n-Alkanes in Series-Coupled Gas Chromatographic Columns, J. Chromatogr., 1989, 471, 245-249, https://doi.org/10.1016/S0021-9673(00)94172-4 . [all data]

Engewald, W.; Topalova, I.; Petsev, N.; Dimitrov, Chr., Structure-Retention Correlations of Hydrocarbons in GLC and GSC. Alkenylbenzenes, Chromatographia, 1987, 23, 8, 561-565, https://doi.org/10.1007/BF02324864 . [all data]

Engewald, W.; Wennrich, L.; Ritter, E., Molekülstruktur und Retentionsverhalten. XII. Zur Retention von Alkylnaphthalinen Bei der Gasverteilungs- und Gas-Adsorptions-Chromatographie, J. Chromatogr., 1979, 174, 2, 315-323, https://doi.org/10.1016/S0021-9673(00)86005-7 . [all data]

Engewald, W.; Graefe, J.; Kiselev, A.V.; Shcherbakova, K.D.; Welsch, Th., Molekülstruktur und Retentionsverhalten. I. Strukturelle Zuordnung von thermischen Umlagerungsprodukten der Cyclododecatriene-(1.5.9) mittels Gas-Adsorptions-Chromatographie, Chromatographia, 1974, 7, 5, 229-235, https://doi.org/10.1007/BF02321773 . [all data]

Wennrich, L.; Welsch, T.; Engewald, W., Desorptions- und Eichvorrichtung Zur Spurenanalyse von Organischen Luftinhaltsstoffen Mittels Adsorptiver Anreicherung und Kapillar-Gaschromatographie, J. Chromatogr., 1982, 241, 1, 49-56, https://doi.org/10.1016/S0021-9673(00)82388-2 . [all data]

Knobloch, T.; Engewald, W., Identification of some polar polycyclic compounds in emissions from brown-coal-fired residential stoves, J. Hi. Res. Chromatogr., 1993, 16, 4, 239-242, https://doi.org/10.1002/jhrc.1240160407 . [all data]

Hennig, P.; Engewald, W., Influence of adsorption effects on retention indices of selected C10-hydroxy compounds at various temperatures, Chromatographia, 1994, 38, 1/2, 93-97, https://doi.org/10.1007/BF02275733 . [all data]

Engewald, W.; Wennrich, L., Molekülstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten höherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie, Chromatographia, 1976, 9, 11, 540-547, https://doi.org/10.1007/BF02275960 . [all data]

Matisová, E.; Kovacicová, E.; Ha, P.T.; Kolek, E.; Engewald, W., Identification of alkylbenzenes up to C12 by capillary gas chromatography-mass spectrometry. II. Retention indices on OV-101 columns and retention-molecular structure correlations, J. Chromatogr., 1989, 475, 2, 113-123, https://doi.org/10.1016/S0021-9673(01)89667-9 . [all data]

Engewald, W.; Knobloch, T.; Haufe, G.; Muller, M.; Pohris, V., A Novel Method for Terpene Pattern Determination of Essential Oils by Selectivity Tuning in GC, Fresenius' J. Anal. Chem., 1991, 341, 10, 641-643, https://doi.org/10.1007/BF00322279 . [all data]

Priboth, I.; Engewald, W.; Schulze, K.; Schulze, B., Gas chromatographic retention behaviour of Z/E-isomeric chloroallyl and chlorovinyl compounds, J. Chromatogr., 1984, 294, 334-338, https://doi.org/10.1016/S0021-9673(01)96139-4 . [all data]

Welsch, Th.; Engewald, W.; Berger, P., IX. Das gas-chromatographische Retentionsverhalten isomerer Octine and Octadiine, Chromatographia, 1978, 11, 1, 5-9, https://doi.org/10.1007/BF02262945 . [all data]

Meusinger, R.; Engewald, W., Struktur - Retentionsbeziehungen von stereoisomeren methylsubstituierten Isochromanen in der Gaschromatographie, J. Prakt. Chem., 1991, 333, 6, 835-840, https://doi.org/10.1002/prac.19913330603 . [all data]

Engewald, W.; Epsch, K.; Graefe, J.; Welsch, Th., Molekülstruktur und retentionsverhalten. II. Retentionsverhalten cycloaliphatischer kohlenwasser-stoffe bei der gas-adsorptions- und gas-verteilungschromatographie, J. Chromatogr., 1974, 91, 623-631, https://doi.org/10.1016/S0021-9673(01)97943-9 . [all data]

Engewald, W.; Epsch, K.; Welsch, Th.; Graefe, J., Molekülstruktur und Retentionsverhalten. VI. Retentionsverhalten von bicycle[n.m.0]alkanen bei der gas-adsorptions- und gas-verteilungs-chromatographie, J. Chromatogr., 1976, 119, 119-128, https://doi.org/10.1016/S0021-9673(00)86776-X . [all data]

Stopp, I.; Engewald, W.; Kühn, H.; Welsch, Th., Molekülstruktur und retentionsverhalten. VIII. Zum gaschromatographischen retentionsverhalten von dicyclopentadienderivaten, J. Chromatogr., 1978, 147, 21-30, https://doi.org/10.1016/S0021-9673(00)85113-4 . [all data]

Stopp, V.I.; Engewald, W.; Remane, H.; Borsdorf, R., Gas chromatographisches retentionsverhalten von exo/endo-doppelbindungsisomeren sechsringverbindungen, J. Prakt. Chem., 1975, 317, 3, 420-424, https://doi.org/10.1002/prac.19753170309 . [all data]

Didaoui, L.; Touabet, A.; Meklati, B.Y.; Lewin-Kretzschmar, U.; Engewald, W., Comparison of retention indices of some explosives and related compounds calculated by different mathematical methods in reversed-phase liquid chromatography, J. Hi. Res. Chromatogr., 1999, 22, 11, 613-618, https://doi.org/10.1002/(SICI)1521-4168(19991101)22:11<613::AID-JHRC613>3.0.CO;2-O . [all data]

Engewald, W.; Maurer, T.; Schiefke, A., Investigation of isomeric hydrocarbons by gas-solid chromatography on graphitized thermal carbon black, Pure Appl. Chem., 1989, 61, 11, 2001-2004, https://doi.org/10.1351/pac198961112001 . [all data]

Engewald, W.; Pörschmann, J.; Welsch, T., Graphitized thermal carbon black as a shape-selective stationary phase in GC, Chromatographia, 1990, 30, 9/10, 537-542, https://doi.org/10.1007/BF02269801 . [all data]