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On the acid disulphate (pyrosulphate) of nitrosyle
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Abstract
Crystallized HS2O7NO was obtained by reacting excess NO2 gas with liquid HSO3Cl. Stable to a melting point of approximately 105 deg, this reacted with nitrates from about 25 deg and formed M2S2O7, with an acid disulphate intermediary. Excess NO2, whether liquid or gas, reacted with HS2O7NO to five (NO)2S2O7