FIELD: chemical technology. SUBSTANCE: absorbent comprises, g/l: chelate complex of ferrum (as calculated for ferrum), 1-12; phosphate of alkali metal (as calculated for phosphate anion), 10-35; carbonate or hydroxide of alkali metal, 0.1-95; carbamide, 10-50; and water, up to 1 l. EFFECT: decreased cost of absorbent, decreased losses of absorbent.
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