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Preparation from Hydrazine Hydrate. Hydrazine hydrate may be substituted for hydrazine sulfate in the preparation of biurea. In this case it is necessary to supply enough additional acetic acid to compensate for the absence of sulfuric acid. Thus, 29 g. of 85% hydrazine hydrate (0.5 mol) and 90 g. of glacial acetic acid (1.5 mol) are dissolved in 500 ml. of water. Eighty-nine grams of potas-... [Pg.27]

See other pages where Biurea hydrazine hydrate is mentioned: [Pg.52]

See also in sourсe #XX -- [ Pg.4 , Pg.27 ]

See also in sourсe #XX -- [ Pg.4 , Pg.27 ]

See also in sourсe #XX -- [ Pg.4 , Pg.27 ]