DIY History | Transcribe | Scholarship at Iowa | Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892 | Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 30

Transcribe
Translate

Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892

Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 30

[page]29[/page]

FeSO[subscript]4[/subscript] + 7H[subscript]2[/subscript]O + (NH[subscript]3[/subscript]OH[subscript]2[/subscript])[subscript]2[/subscript]SO[subscript]4[/subscript] = NH[subscript]3[/subscript](OH)[subscript]2[/subscript]Fe(SO[subscript]4[/subscript])[subscript]2[/subscript] + 6H[subscript]2[/subscript]O.
This compound crystallizes in small beautiful green regular octahedra or cubes. When subjected to heat, they behave very similarly to alum, -- they melt in their water of crystallization, gradually lose it and become a greyish voluminous mass.
[underlined]Analysis.[/underlined] --
Iron -- When the ferrous iron, in the solution of hydroxylammonium iron sulphate has been reduced to ferric iron, add ammonia in excess. Ferric hydrate is then precipitated as a dark red gelat-

Saving...

[page]29[/page] FeSO[subscript]4[/subscript] + 7H[subscript]2[/subscript]O + (NH[subscript]3[/subscript]OH[subscript]2[/subscript])[subscript]2[/subscript]SO[subscript]4[/subscript] = NH[subscript]3[/subscript](OH)[subscript]2[/subscript]Fe(SO[subscript]4[/subscript])[subscript]2[/subscript] + 6H[subscript]2[/subscript]O. This compound crystallizes in small beautiful green regular octahedra or cubes. When subjected to heat, they behave very similarly to alum, -- they melt in their water of crystallization, gradually lose it and become a greyish voluminous mass. [underlined]Analysis.[/underlined] -- Iron -- When the ferrous iron, in the solution of hydroxylammonium iron sulphate has been reduced to ferric iron, add ammonia in excess. Ferric hydrate is then precipitated as a dark red gelat-