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Spectrophotometric study of the liquid-phase system HNOx-NOx-H2O



Spectrophotometric study of the liquid-phase system HNOx-NOx-H2O



Journal of Applied Chemistry of the USSR 57(8, Pt. 1): 1567-1569



Results are reported of a spectrophotometric study of solutions in the system HNOx-NOx-H2O in the visible range. The N2O3 concentration in the given system was calculated from the optical density at 620 nm. The HNO3 concentration in the original solution was 40-80% and the N2O4 concentration 3-30% at 283-313 K.

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