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Description
The principles and practice of ESR and it's use in solving problems concerning intermediates formed in fast organic free radical reactions.
Metadata describing this Open University video programme
Module code and title: S304, The nature of chemistry
Item code: S304; 14
First transmission date: 1978
Published: 1978
Rights Statement:
Restrictions on use:
Duration: 00:24:00
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Producer: Barrie Whatley
Contributors: Stuart Bennett; R Norman; B. Gilbert
Publisher: BBC Open University
Keyword(s): Bonding; Electron spin resonance spectroscopy; Fast organic free radical reactions; Intermediates; Spectroscopic methods; York University
Footage description: Footage - Electron spin resonance spectrum of VO2+ ion (0'05"-0'22") - Reaction between purple titanium III ions and hydrogen peroxide. Formula for generating hydroxyl radical (1'46-2'17") - Diagram of methyl radical (2'52"-3'04") - Spectrometer designed for ESR (3'14"-3'29") - Diagram of spin states of electrons (3'55"-6'26") - Radar X-band frequency (7'53"-8'22") - Diagram of essential features of the spectrometer (8'25"-8'53") - Tuning of microwave cavity (8'54"-11'49") - Diagram of reaction of hydroxyl from a redox reaction with dimethyl sulphoxide (11'53"-12'07") - Continuous flow system. ESR spectrometer curve (12'29"-14'24") - Absorption spectrum peaks and derivative. Spectrum of 1,1 dichloroethane (14'33"-15'50") - Spectrum of oxidised methanol (15'57"-16'55") - Diagram of timescale of ESR & NMR (17'04"-17'18") - Vanadium spectrum. Energy level diagram (17'19"-19'00") - Diagram of three orbitals. Diagram of methyl radical & trifluoromethyl (19'41"-20'52"). Structure of VO2+ (21'14"-21'33") - Model of VO2+. IR & Raman data. X-ray structure (21'42"-23'31").
Master spool number: 6HT/72089
Production number: 00525_1204
Videofinder number: 869
Available to public: no