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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 45

[page]43[/page]

[table of 3 columns]
[column 1]
[underlined]Iron[/underlined]
Iron taken
Weight of crucible empty
" " " [ditto for Weight of crucible] + Ferric oxide + ash.
Ferric oxide
Iron @ 70.01%
amount in above.
Percent found.
[underlined]Aluminium[/underlined]
Aluminium taken.
Weight of crucible
" " " [ditto for Weight of crucible] + Aluminum
Alumina
Aluminium @ 52.94%
Amount in above.
Percent found.
[column 2]
III.
0.1001
22.6779
[underlined]22.5352[/underlined]
0.1425 [?error?]
[?0.0998?]
0.1001
[?99.20%?]
[?]
0.1038
[?25.2770?]
[underlined][?25.1745?][/underlined]
0.1975
0.1046
0.1038
100.77%
[column 3]
IV.
0.1001
21.5204
[underlined]21.3787[/underlined]
0.1417
0.0992
0.1001
99.10%
[?]
0.1038
[?25.5133?]
[underlined]25.3168[/underlined]
0.1965
0.1035
0.1038
99.71%
[/table]

Iron Theoretical percent 100.00
Iron Average Percent (III - IV) 99.4[?0?]
Aluminum Theoretical percent 100.00
Aluminum Average Percent (III - IV) 100.24

     The other results gave very high percentage of iron and as soon as good results were obtained (in duplicate) the method was abandoned.

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[page]43[/page] [table of 3 columns] [column 1] [underlined]Iron[/underlined] Iron taken Weight of crucible empty " " " [ditto for Weight of crucible] + Ferric oxide + ash. Ferric oxide Iron @ 70.01% amount in above. Percent found. [underlined]Aluminium[/underlined] Aluminium taken. Weight of crucible " " " [ditto for Weight of crucible] + Aluminum Alumina Aluminium @ 52.94% Amount in above. Percent found. [column 2] III. 0.1001 22.6779 [underlined]22.5352[/underlined] 0.1425 [?error?] [?0.0998?] 0.1001 [?99.20%?] [?] 0.1038 [?25.2770?] [underlined][?25.1745?][/underlined] 0.1975 0.1046 0.1038 100.77% [column 3] IV. 0.1001 21.5204 [underlined]21.3787[/underlined] 0.1417 0.0992 0.1001 99.10% [?] 0.1038 [?25.5133?] [underlined]25.3168[/underlined] 0.1965 0.1035 0.1038 99.71% [/table] Iron Theoretical percent 100.00 Iron Average Percent (III - IV) 99.4[?0?] Aluminum Theoretical percent 100.00 Aluminum Average Percent (III - IV) 100.24 The other results gave very high percentage of iron and as soon as good results were obtained (in duplicate) the method was abandoned.