Abstract
Various monosubstituted and
disubstituted benzenes were mixed in varying amounts with p-dichlorobenzene to
form solid mixtures. The apparent spin-spin relaxation time, T*2,
of the 35Cl nuclear quadrupole resonance of each of these mixtures
was determined by a double pulsed super-regenerative oscillator (SRO) method
which has been described previously.1 The SRO was operated in the
logarithmic mode. The results show that electric quadrupole rather than
magnetic dipole interactions are mainly responsible for the broadening that was
observed for the 35Cl n.q.r. line of
p-dichlorobenzene due to the impurities. The results also indicate that the
para-disubstituted benzenes used formed uniform solid solutions with
p-dichlorobenzene over the concentration range studied.
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3 articles.
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