FIELD: analytical methods in petroleum processing. SUBSTANCE: hydrogen sulfide- containing mazut is diluted with organic solvent in 1:1 proportion and agitated until homogeneous mixture is obtained, from which hydrogen sulfide is displaced with inert gas in absorbing solution for 1-2 h. Once procedure completed, mixture is analyzed by known methods and hydrogen sulfide content is quantitatively determined. EFFECT: increased analytical accuracy. 2 cl, 1 dwg
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