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Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892

Derivatives of Hydroxylamine by Agnes Elizabeth Otto, 1892, Page 7

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added to the sulphate of hydroxylamine until all of the sulphate is precipitated, leaving an aqueous solution of hydroxylamine. It may also be formed when nitric acid is added to a mixture of tin and hydrochloric acid, the hydrogen produced by the action of the tin on the hydrochloric acid reducing the nitric acid. Another method is to decompose silver nitrite and mercurous nitrite with sulphurous acid added in moderate excess. This yields an insoluble sulphite of the metal and some nitric oxide with sulphuric acid.
 
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