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Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892

Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 32

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[page]31[/page] 0.2521 gr. (x) : 0.2976 gr. :: 143.68 : 169.64 -- 0.2521 gr. = 2FeO , then 1FeO = 0.1265 gr. 0.1265/1.0591 = 11.93. [underlined]11.93% of iron[/underlined]. II. Weight of substance and tube -- 10.9704 gr. Weight of tube -- 9.7245 gr. Weight of substance -- 1.2161 gr. Weight of crucible and residue 1" ignition -- 12.0298 gr. Weight of crucible and residue 2" ignition -- 12.0289 gr. Weight of crucible and residue 3" ignition -- 12.0286 gr. Weight of crucible and residue 4" ignition -- 12.0286 gr. Weight of crucible -- 11.6872 gr. Weight of residue -- 0.3414 gr. 0.3414 gr. : (X gr) 0.2892 :: 169.64 : [?143.68?] -- 0.2892 gr. = 2FeO ; 1FeO = 0.1446 grams -- 0.1446/1.2161 = 11.60 -- [underlined]11.60% of iron.[/underlined]
 
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