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The Analytical Separation of Iron and Aluminium by Henry Erdmann Radasch, 1897

The Analytical Separation of Iron and Aluminium by Henry Erdmann Radasch, 1897, Page 37

[page]35[/page]

well. These [inserted]few[/inserted] results for the iron were probably due to the reduction of the ferric oxide to a [?burned?], or [?over?] metallic iron, by the excess of carbon present. The blast lamp was used for the final ignition. The residue of ferric oxide obtained were composed of lumps of iron gray color and not of the beautiful red that the authors described. Then two ordinary bunsons were substituted for the blast lamp and another method of igniting the precipitate was followed. The precipitate was dried and separated from the filter and the latter [?manerated?] and the [?ash?] added to the precipitate in a porcelain crucible. The crucible was heated gently (without the addition of oxalic acid) and the mass of precipitate began to [?swell?] and blacken and emit bubbles of gas. These bubbles burned with a yellow smoky [?flanddis?] after the precipitate was charred and no more gas given off it was allowed to cool and a few drops of [?fuming?] nitric acid were added. Sufficient time was allowed for the complete reaction. 15cc [?illegible?] and the residue ignited gently at first and

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[page]35[/page] well. These [inserted]few[/inserted] results for the iron were probably due to the reduction of the ferric oxide to a [?burned?], or [?over?] metallic iron, by the excess of carbon present. The blast lamp was used for the final ignition. The residue of ferric oxide obtained were composed of lumps of iron gray color and not of the beautiful red that the authors described. Then two ordinary bunsons were substituted for the blast lamp and another method of igniting the precipitate was followed. The precipitate was dried and separated from the filter and the latter [?manerated?] and the [?ash?] added to the precipitate in a porcelain crucible. The crucible was heated gently (without the addition of oxalic acid) and the mass of precipitate began to [?swell?] and blacken and emit bubbles of gas. These bubbles burned with a yellow smoky [?flanddis?] after the precipitate was charred and no more gas given off it was allowed to cool and a few drops of [?fuming?] nitric acid were added. Sufficient time was allowed for the complete reaction. 15cc [?illegible?] and the residue ignited gently at first and