Zobrazeno 1 - 8
of 8
pro vyhledávání: '"E. K. Chess"'
Publikováno v:
Biological Mass Spectrometry. 19:613-618
Several aminophenanthrenes have been examined with electron impact mass spectrometry. The trifluoroacetic anhydride (TFAA) and perfluoropropionic anhydride (PFPA) derivatives of 4-aminophenanthrene have been studied with electron impact as well as bo
Publikováno v:
Biological Mass Spectrometry. 19:520-522
Since the methylation of acids with diazomethane is widely used in trace analysis, it is extremely important for those using this technique to be alert to the analysis of compounds containing other functional groups which might become methylated with
Autor:
W. J. Iii Smith, J. W. Tyler, K. A. Ashline, J. P. Clayton, Jeremy R. Everett, M. Sabat, E. A. Cutmore, R. P. Attrill, John H. C. Nayler, M. L. Vieira, E. K. Chess, David E. Pereira
Publikováno v:
ChemInform. 21
Publikováno v:
Chemischer Informationsdienst. 14
Publikováno v:
Journal of applied toxicology : JAT. 8(2)
An 800-850 degrees F solvent-refined coal-II liquid was fractionated into chemical classes to obtain the aliphatic hydrocarbons, polycyclic aromatic hydrocarbons (PAH), nitrogen-containing polycyclic aromatic compounds (NPAC), and hydroxy-substituted
Publikováno v:
Bioelectromagnetics. 7(2)
Rats exposed for 3 weeks to uniform 60-Hz electric fields of 39 kV/m (effective field strength) failed to show normal pineal gland circadian rhythms in serotonin N-acetyl transferase activity and melatonin concentrations. The time required for recove
Publikováno v:
Cancer research. 44(11)
Narrow temperature range distillates from biologically active solvent refined coal-I and -II heavy-end coal liquids were fractionated according to chemical class and assayed for initiation of skin carcinogenesis in CD-1 mice. In addition, instrumenta
Publikováno v:
Chemischer Informationsdienst. 8