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Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892

Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 33

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[page]32[/page] [underlined]Method by Direct Ignition[/underlined]-- III. Weight of substance and crucible -- 12.4078 gr. Weight of crucible -- 11.6872 gr. Weight of substance -- 0.7206 gr. Weight after first ignition -- 11.9693 gr. Weight after second ignition -- 11.9664 gr. Weight after third ignition -- 11.9664 gr. Weight of residue -- 0.2792 gr. 0.2792 gr. : (0.2366 gr X) :: 169.64 : 143.68. 1FeO = 1/2 of 0.2366 gr. = 0.1183 gr. 11.83/0.7206 = 16.41%. [underlined]16.41% of iron[/underlined]. IV. Weight of substance and crucible -- 12.3493 gr. Weight of crucible -- 11.6842 gr. Weight of substance -- 0.6651 gr.
 
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