Zobrazeno 1 - 10
of 147
pro vyhledávání: '"J. Krupčik"'
Publikováno v:
Journal of Chromatography A. 843:123-128
The thermodynamic parameters responsible for the formation of diastereomeric associates between enantiomers of methyl lactate and two Lipodex E columns [with 5.37% or 10.08% of octakis(3- O -butanoyl-2,6-di- O -pentyl)-γ-cyclodextrin in SE 54] were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bdd1b8921764935dfe705284ad760b0
https://doi.org/10.1016/s0021-9673(98)00781-x
https://doi.org/10.1016/s0021-9673(98)00781-x
Akademický článek
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Publikováno v:
Chromatographia. 8:553-558
The retention characteristics of C9−C14 secondary alcohols and their acetyl esters were studied on capillary columns coated with Carbowax 1500 and 20M and OV-101 stationary phases. Better separation can be achieved if the secondary alcohols are tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::134f30632130a770d80113c5426d591b
https://doi.org/10.1007/bf02314039
https://doi.org/10.1007/bf02314039
Publikováno v:
Journal of Chromatographic Science. 14:4-17
The principal aspects influencing analytical capillary gas chromatography of fatty acids up to C18 have been evaluated. Selected fundamental problems of interlaboratory exchange of retention data were problems of defined temperature in commercial the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64b5eca48a564469a8790cd42c3864e1
https://doi.org/10.1093/chromsci/14.1.4
https://doi.org/10.1093/chromsci/14.1.4
Publikováno v:
Journal of Chromatography A. 142:797-807
Seventy fractions were obtained by vacuum distillation of a PCB mixture containing 42% of chlorine. Four of these fractions were chosen, the composition of which covered the whole of the observed region, and analysed by means of high-performance liqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12346d0ee7688bdd44cc0224c7c98699
https://doi.org/10.1016/s0021-9673(01)92087-4
https://doi.org/10.1016/s0021-9673(01)92087-4
Autor:
E. Matisová, J. Krupčik
Publikováno v:
Journal of Chromatography A. 205:464-469
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27afeb8d7f417dbdb4e8c4d786d31611
https://doi.org/10.1016/s0021-9673(00)82678-3
https://doi.org/10.1016/s0021-9673(00)82678-3
Autor:
J. Krupčik, P. Bohov
Publikováno v:
Journal of Chromatography A. 346:33-42
C12C26 fatty acid methyl esters (FAMEs) were separated by glass capillary gas chromatography on SP 2340 as stationary phase, both isothermally in the temperature range 150–220°C and using linear temperature-programmed capillary gas chromatograp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c420c2f3d06b6a1896d19b5bd018e123
https://doi.org/10.1016/s0021-9673(00)90491-6
https://doi.org/10.1016/s0021-9673(00)90491-6
Publikováno v:
Chromatographia. 2:393-396
In der vorliegenden Arbeit wurde der Zusammenhang zwischen Retentionswerten und Kohlenstoffzahl fur einige homologe Reihen von C14−C20 studiert. Es wird ein Verfahren fur die Konstruktion eines Diagramms beschrieben, mit dessen Hilfe man die n-gesa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::257d93859b23a2f11342241f40cbb4df
https://doi.org/10.1007/bf02258631
https://doi.org/10.1007/bf02258631
Publikováno v:
Chromatographia. 16:169-171
The influence of adsorption on the dependence of retention data upon film thickness of the non-polar stationary phases OV-101 and Apiezon L coated on glass (series of capillary columns with non-deactivated and Carbowax 20 M deactivated surface) and f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7887713092f6eda4de0e8bd2ecd81080
https://doi.org/10.1007/bf02258891
https://doi.org/10.1007/bf02258891
Publikováno v:
Chromatographia. 16:166-168
The influence of the film thickness of Carbowax 20M coated onto glass surfaces (series of columns with different mode of surface treatment) upon the retention indices of solutes which exhibit tendency to hydrogen bonding has been investigated. Limiti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7868222f9e83f95995e3a42c23a801e2
https://doi.org/10.1007/bf02258890
https://doi.org/10.1007/bf02258890