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Irradiation oxidative

Rajeshwar K (2007) Hydrogen generation at irradiated oxide semiconductor-solution interfaces. J Appl Electrochem 37 765-787... [Pg.304]

Keywords trimethylsilyl ether, microwave irradiation, oxidative deprotection, ketone, aldehyde... [Pg.34]

Keywords tiiiol, Hyflo Super Cel, microwave irradiation, oxidative coupling, disulfide... [Pg.38]

Ultrasonic irradiation of 25-mL solutions of bivalent sulfur at pH 10 (borate, I = 0.06 M) resulted in a linear decrease of [S(—II)] with sonication time. A post-irradiation oxidation of sulfide to sulfate was observed and was attributed to the subsequent thermal reaction of HS- with H202, which was... [Pg.469]

Bramman, J. I. Sharpe, R. M. Thom, D. Yates, G. "Metallic Fission-Product Inclusions in Irradiated Oxide Fuels. Jour. Of Nuclear Materials 1968.25.201. [Pg.165]

Davies, J. H. Ewart, F. T. "The Chemical Effects of Composition Changes in Irradiated Oxide Fuel Materials, Jour, of Nuclear Materials 1971,41,143-155. [Pg.165]

Transient radicals and radical cations generated by the 7- and photo-irradiative oxidation of thioxanthene in the presence of an electron scavenger have been characterized spectroscopically and kinetically (Scheme 57) <1996JPC13539>. [Pg.826]

The reaction of the irradiated oxide fuel with the molten nitrate melt destroys the existing crystalline lattice. Several authors have claimed the complete or partial release of the rare gases Q, 4, 5, 6, 9, 1 , 12, 13 ) and tritium (1, 4, 6, 9, 10,... [Pg.226]

Ozonization at neutral pH results in the removal of both the isopropyl and the ethyl side chains. At higher pH values and with prolonged ozonization the end product is cyanuric acid. Complete decomposition to carbon dioxide is not observed.22 Titanium(IV) oxide and zinc(II) oxide in combination with UV irradiation oxidize atrazine to cyanuric acid following the same pathway as the ozonization process. [Pg.768]

CONDENSABLE PRODUCTS FROM IRRADIATED, OXIDIZED POLYPROPYLENE 122]... [Pg.458]

NO Nitric oxide/oxidative stress, inflamation, irradiation Oxidation of cysteines in DNA-binding domain Calmels et al. (1997)... [Pg.89]

Poly (styrene-afo-methyl methacrylate) undergoes yellowing more rapidly in vacuum than in air. The major yellowing moiety is a species related to l,5-diphenyl-l,3,5-hexatriene. Simultaneous photolysis of the triene results in a reduction in the rate of yellowing with increasing time of irradiation oxidative reactions of the triene appear to reduce the rate of yellowing in air. Fluorescence quenching takes place by processes that are the same in air and vacuum. [Pg.113]

The following compounds are formed by UV-irradiated oxidation of cyclohexanone in methanol at 40° C [132] in the presence of sulfuric acid (yields in parentheses) (CH30)2CH(CH2)4C02CH3(45%), HOCH2(CH2)4-C02CH3(15%), CH302C(CH2)4C02CH3(15%). In acetic anhydride, the... [Pg.156]

Thus, UV-irradiated Ti02, and similarly ZnO and some other oxides, catalyze oxidation with dioxygen. ESR measurements of ZnO irradiated with UV light in the presence of O2 showed the existence of and 0 . The predominant species below 443 K is O, and 0 at higher temperatures [187], The holes, h+, in the valence band of the irradiated oxides can react with 0H ions on the surface, producing OH radicals, which are also very reactive. [Pg.258]

Ultrasonic irradiation, oxidation, or biodegradation of toxins across granular activated carbon filters are new effective and promising methods for shellfish detoxification. Some of these practical procedures combined or alone have shown a great potential to induce degradation or detoxification of several toxins [13,14,19-21],... [Pg.916]

Surface oxidation reactions have been carried out on a number of polymers, particularly polyethylene. Surface oxidation techniques include the use of corona discharge, ozone, hydrogen peroxide, nitrous acid, alkaline hypochloride, UV irradiation, oxidizing flame, and chromic acid The reactions lead initially to the formation of hydroperoxides, which catalyze the formation of aldehydes and ketones and finally, acids and esters. Surface oxidation treatment has been used to increase the printabdity of polyethylene and poly(ethylene terephthalate) and to improve the adhesion of polyethylene and polypropylene to polar polymers and that of polytetrafluoroethylene to pressure-sensitive tapes. Surface-oxidized polyethylene, when coated with a thin film of vinylidene chloride, acrylonitrile, and acryhc acid terpolymers becomes impermeable to oxygen and more resistant to grease, oil, abrasion, and high temperatures. The greasy feel of polyethylene has also been removed by surface oxidation. [Pg.150]


See other pages where Irradiation oxidative is mentioned: [Pg.323]    [Pg.138]    [Pg.347]    [Pg.265]    [Pg.1591]    [Pg.800]    [Pg.945]    [Pg.488]    [Pg.159]    [Pg.239]    [Pg.385]    [Pg.221]    [Pg.945]    [Pg.347]    [Pg.227]    [Pg.142]    [Pg.106]    [Pg.367]    [Pg.369]    [Pg.150]    [Pg.151]    [Pg.163]    [Pg.409]    [Pg.415]    [Pg.766]    [Pg.804]    [Pg.847]    [Pg.37]    [Pg.7090]    [Pg.369]   
See also in sourсe #XX -- [ Pg.238 ]




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