Dr. Alwyn G. Evans and M. A. Weinberger write : “In our recent communication on this subject [Nature, March 29, p. 437], it is stated that the addition of acetone vapour, purified by distillation in ...
HIGH-resolution nuclear magnetic resonance spectroscopy affords a uniquely penetrating method of studying co-ordinate complex formation between boron trifluoride and electron donor substances. The ...
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