METHOD FOR PURIFICATION OF PARATERPHENYL Russian patent published in 1997 - IPC

Abstract SU 1226799 A1

FIELD: chemical industry. SUBSTANCE: method includes fractionation of paraterphenyl, recrystallization from organic solvent and subsequent zone melting. Prior to zone melting paraterphenyl is additionally subjected to electromagnetic treatment in wave band of ultraviolet light, X-ray and gamma radiation treatment, and recrystallization of radiation product from organic solvent. EFFECT: higher efficiency.

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SU 1 226 799 A1

Authors

Budakovskij S.V.

Mnatsakanova T.R.

Nagornaja L.L.

Dates

1997-10-20—Published

1984-06-22—Filed