DIY History | Transcribe | Scholarship at Iowa | Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892 | Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 26

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Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892

Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 26

um sulphate, -- the filtrate then contains free hydroxylamine: -- (NH[subscript]3[/subscript]OH)[subscript]2[/subscript]SO[subscript]4[/subscript] + Ba(HO)[subscript]2[/subscript] = 2(NH[subscript]3[/subscript]OH) + BaSO[subscript]4[/subscript] + H[subscript]2[/subscript]O.
   The solution should be kept as concentrated as possible so as to avoid loss of substance. Picric acid is added to the filtrate until it becomes neutral, -- after which it is allowed to crystallize.
(NH[subscript]3[/subscript]OH) + C[subscript]6[/subscript]H[subscript]2[/subscript](NO[subscript]2[/subscript])[subscript]3[/subscript] = C[subscript]6[/subscript]H[subscript]2[/subscript](NO[subscript]2[/subscript])[subscript]3[/subscript](OHNH[subscript]3[/subscript])O + H[subscript]2[/subscript]O.
   The crystals of hydroxylamine picrate are of a beautiful golden yellow, -- minute and spicular. They are sol-

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um sulphate, -- the filtrate then contains free hydroxylamine: -- (NH[subscript]3[/subscript]OH)[subscript]2[/subscript]SO[subscript]4[/subscript] + Ba(HO)[subscript]2[/subscript] = 2(NH[subscript]3[/subscript]OH) + BaSO[subscript]4[/subscript] + H[subscript]2[/subscript]O. The solution should be kept as concentrated as possible so as to avoid loss of substance. Picric acid is added to the filtrate until it becomes neutral, -- after which it is allowed to crystallize. (NH[subscript]3[/subscript]OH) + C[subscript]6[/subscript]H[subscript]2[/subscript](NO[subscript]2[/subscript])[subscript]3[/subscript] = C[subscript]6[/subscript]H[subscript]2[/subscript](NO[subscript]2[/subscript])[subscript]3[/subscript](OHNH[subscript]3[/subscript])O + H[subscript]2[/subscript]O. The crystals of hydroxylamine picrate are of a beautiful golden yellow, -- minute and spicular. They are sol-