Electrical Discharges in Mixtures of Light and Heavy Water | Zendy

Mededovic Selma | Zendy; Finney Wright C. | Zendy; Locke Bruce R. | Zendy

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Electrical Discharges in Mixtures of Light and Heavy Water

Author(s) -

Mededovic Selma,

Finney Wright C.,

Locke Bruce R.

Publication year - 2008

Publication title -

plasma processes and polymers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.644

H-Index - 74

eISSN - 1612-8869

pISSN - 1612-8850

DOI - 10.1002/ppap.200700090

Subject(s) - radical , chemistry , reactivity (psychology) , analytical chemistry (journal) , recombination , electric discharge , raman spectroscopy , peroxide , plasma , photochemistry , electrode , environmental chemistry , organic chemistry , optics , medicine , biochemistry , physics , alternative medicine , pathology , quantum mechanics , gene

Pulsed electrical discharges in pure solutions and mixtures of light and heavy water are examined. The concentration of H 2 O 2 formed by electrical discharge in 100% H 2 O was found to be 1.4 times smaller than that of D 2 O 2 produced by electrical discharge in 100% D 2 O. This difference in peroxide formation was due to the high reactivity of OH radicals with other species in the plasma channel, thereby reducing OH recombination to form H 2 O 2 , while the lower reactivity of OD radicals with other species allowed more OD recombination reactions to form D 2 O 2 . A new method based on Raman spectroscopy was also developed to quantify H 2 O 2 , D 2 O 2 , and HDO 2 in mixtures containing all three species.

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