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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 57

[page]55[/page]

as the sulphide did not dissolve readily in the hydrochloric acid some potassium chlorate was added [?to?] and the solution.
     The aluminum precipitate is so fine that some is lost in filtration and so the results are not good. It is also a tedious method. Taking all into consideration it is a very unsatisfactory method. 

[table of 3 columns]
[column 1]
Results:--
Iron
Crucible empty
" [ditto for Crucible] + ferric oxide + ash
Ferric oxide
Iron @ 70.01%
Amount in above.
Percent found
[?]
Aluminum
Crucible empty.
" [ditto for Crucible] + Aluminum phosphate
Aluminum phosphate.
Aluminum @ 25.34%
Amount in above.
Percent found.
[column 2]
I.
0.1001
22.1436
[underlined]22.0010[/underlined]
0.1426
0.0998
0.1001
99.70%
[?]
0.1038
23.1346
[underlined]22.7631[/underlined]
0.3979
0.1008
0.1038
97.13%
[column 3]
II.
0.1001
23.1346
[underlined]22.9936[/underlined]
0.1410
0.0987
0.1001
98.60%
[?]
0.1031
22.1422
[underlined]21.7615[/underlined]
0.3987
0.1010
0.1038
97.33%
[/table]

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[page]55[/page] as the sulphide did not dissolve readily in the hydrochloric acid some potassium chlorate was added [?to?] and the solution. The aluminum precipitate is so fine that some is lost in filtration and so the results are not good. It is also a tedious method. Taking all into consideration it is a very unsatisfactory method. [table of 3 columns] [column 1] Results:-- Iron Crucible empty " [ditto for Crucible] + ferric oxide + ash Ferric oxide Iron @ 70.01% Amount in above. Percent found [?] Aluminum Crucible empty. " [ditto for Crucible] + Aluminum phosphate Aluminum phosphate. Aluminum @ 25.34% Amount in above. Percent found. [column 2] I. 0.1001 22.1436 [underlined]22.0010[/underlined] 0.1426 0.0998 0.1001 99.70% [?] 0.1038 23.1346 [underlined]22.7631[/underlined] 0.3979 0.1008 0.1038 97.13% [column 3] II. 0.1001 23.1346 [underlined]22.9936[/underlined] 0.1410 0.0987 0.1001 98.60% [?] 0.1031 22.1422 [underlined]21.7615[/underlined] 0.3987 0.1010 0.1038 97.33% [/table]