Conformational analysis of the dibenzo [a,g]-quinolizidines by spectroscopic means. II—The use of high resolution 270 MHz proton magnetic resonance

1977 ◽  
Vol 9 (6) ◽  
pp. 341-346 ◽  
Author(s):  
D. Tourwé ◽  
G. Van Binst ◽  
T. Kametani
Keyword(s):  
Magnetic Resonance ◽  
High Resolution ◽  
Conformational Analysis ◽  
Proton Magnetic Resonance

Identification of Polychlorobiphenyls by High Resolution Proton Magnetic Resonance

1972 ◽  
Vol 55 (5) ◽  
pp. 1101-1103
Author(s):  
K D Bartle
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Magnetic Resonance ◽  
High Resolution ◽  
Proton Magnetic Resonance ◽  
Chlorine Atoms ◽  
Magnetic Resonance Spectra

Abstract Mass spectrometry allows the number of chlorine atoms per polychlorobiphenyl molecule to be determined but not the positions of substitution. A method of identifying PCB components from high resolution proton magnetic resonance spectra is illustrated by application to 2,5,2′,5′-tetrachloro- and 2,3,4,2′,4′,- 5′-hexachlorobiphenyls separated by gas chromatography from a commercial PCB mixture.

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