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1970•Bulletin of the Chemical Society of JapanRequires access

The γ-Radiolysis of Liquid n-Hexane. The Effects of Radical, Electron, and Positive-ion Scavengers

Kyoji Shinsaka, Shōji Shida

Open publisher page 17 citations

Abstract

Abstract The effects of various additives, SF6, NH3, C2H5OH, N2O, NO, SO2, and C2H4, on the product yields in the γ-radiolysis of liquid n-hexane at room temperature have been investigated. The following conclusions have been drawn: (i) The added SO2 acts mainly as a radical scavenger. (ii) The added NO shows not only the effect of radical scavenging, but also other effects. Therefore, it is inadequate to use NO as a simple radical scavenger, (iii) The C7-C12 products are formed from a combination reaction of alkyl radicals, but not from an ion-molecule reaction, (iv) The formation of C6H13+ ions by the direct action of radiation is suggested, (v) The G-value of ionization is evaluated to be 4.0. A brief discussion concerning the formation of N2 in the presence of N2O is also given.

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Abstract The effects of various additives, SF6, NH3, C2H5OH, N2O, NO, SO2, and C2H4, on the product yields in the γ-radiolysis of liquid n-hexane at room temperature have been investigated. The following conclusions have been drawn: (i) The added SO2 acts mainly as a radical scavenger. (ii) The added NO shows not only the effect of radical scavenging, but also other effects. Therefore, it is inadequate to use NO as a simple radical scavenger, (iii) The C7-C12 products are formed from a combination reaction of alkyl radicals, but not from an ion-molecule reaction, (iv) The formation of C6H13+ ions by the direct action of radiation is suggested, (v) The G-value of ionization is evaluated to be 4.0. A brief discussion concerning the formation of N2 in the presence of N2O is also given.

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Available abstract

Abstract The effects of various additives, SF6, NH3, C2H5OH, N2O, NO, SO2, and C2H4, on the product yields in the γ-radiolysis of liquid n-hexane at room temperature have been investigated. The following conclusions have been drawn: (i) The added SO2 acts mainly as a radical scavenger. (ii) The added NO shows not only the effect of radical scavenging, but also other effects. Therefore, it is inadequate to use NO as a simple radical scavenger, (iii) The C7-C12 products are formed from a combination reaction of alkyl radicals, but not from an ion-molecule reaction, (iv) The formation of C6H13+ ions by the direct action of radiation is suggested, (v) The G-value of ionization is evaluated to be 4.0. A brief discussion concerning the formation of N2 in the presence of N2O is also given.

Key concepts: Chemistry, Radiolysis, Scavenger, Radical, Hexane, Ion, Radiation chemistry, Photochemistry

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