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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 6

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4 Discussion [?] I 1. Potassium hydrate method (1) To the hot potassium hydrate solution add slowly, with constant stirring, the nearly neutral solution of iron and aluminium salts. Boil until the precipitate is quite [warm?]. Filter and wash the precipitate and dissolve in dilute hydrochloric acid and [?]tate with ammonia, observing the necessary precautions. Dry, [ignite?] and [?] a [?]. To the filtrate add sufficient hydrochloric acid to dissolve [up?] the precipitate that forms and precipitate the aluminium as the hydrate and weigh as the oxide. This method though quite accurate and fairly quick, lacks directness. If the ferric hydrate precipitate did not retain traces of the caustic [??] for soda, after careful washing, this method would be more valuable. As it is a second precipitation of the iron [?]. The action of the caustic alkalics upon the glass vessels, that must
 
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