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John Mcdougall
Frank Lidgett Mcdougall
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Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
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Crystals, And After-Treatments Of Crystals
(AREA)
Abstract
17,971. M c D o u g a l l , Sir J., and McDougall, F. L. Aug. 7. Oxalic acid is produced by adding sulphuric acid to an alkali salt of oxalic acid, then adding a suitable sulphate such as aluminium sulphate to produce an alum with the alkali sulphate thus produced, and finally crystallizing the alum from the solution, if necessary, by means of alcohol.
GB190717971D1907-08-071907-08-07Improvements in the Manufacture of Oxalic Acid
ExpiredGB190717971A
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