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Oleum

Oleum (az lotini oleum vitriol! — ravgani kuporos), H2S2O7, kislotai sulfati dudkunanda, mahluli angidridi sulfat S03 dar kislotai sulfati beob.

Oleum moei ravgavmonandi berang buda, dar havoi nam dar natijai az tasiri bugi S0) va N2O hosilshavii qatrahoi H2S0, «dud» mekunad. Odatan Oleumi istehsolshavanda 18—20% va bazan to 60%< S03 dorad. Oleum asosan baroi sul- furonii payvasthoi organiki istifoda meshavad.

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SATHI VINTI

SATHI VINTI, sathest, ki khati £ hangomi dar girdi mehvari nojunboni OO’ bo surati kunjii …