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  • 1985-1989  (3)
  • Chemically bonded phase  (2)
  • Specific interactions  (2)
  • 1
    ISSN: 1612-1112
    Keywords: Gas chromatography ; Chemically bonded phases ; Specific interactions ; Chloroderivatives of alkanes and alkenes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Interactions of Cu(II) complexes chemically bonded to the surface of silica with chloro-derivatives of alkanes and alkenes were investigated. It was found that chlorine as a substituent exerts a considerable influence on the retention of the individual chloro-derivatives. In the case of chloroalkenes this influence is negative while in the case of chloroalkanes it is positive. The magnitude of the observed effect depends on the number of substituents and on the way of their distribution within the molecule.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1612-1112
    Keywords: Gas chromatography ; Metal complexes ; Chemically bonded phase ; Specific interactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Packings consisting of chemically bonded diphenylphosphine complexes with CuCl2 and CuBr2 were synthesized and their retention parameters determined. The packings investigated are capable of specific interactions with electron-donating compounds and are characterized by particularly high selectivity in relation to cis and trans isomers allowing their complete separation.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Chromatographia 23 (1987), S. 427-431 
    ISSN: 1612-1112
    Keywords: Complexation gas chromatography ; Chemically bonded phase ; Transition metal complexes ; Cyano-silica
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Silica gel packings containing copper salt bonded to cyano functional groups on the surface of silica particles were synthesized. It was found that such packings are capable of specific interactions with olefins. The interactions were diversified enough to allow the separation of geometrical isomers. Moreover, it was found that, because of the character of the cyano group, the differences between the packing with free −CN groups and the packing containing −CN groups bonded into a complex with Cu(II) were less marked than in the case of diphenylphosphine and thiol groups investigated earlier.
    Type of Medium: Electronic Resource
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