Summary
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1.
The solid phases found in the investigation of the system Zn(OH)2-H2O2-H2O are stable only when in equilibrium with the corresponding liquid phases. Only ZnO2 · 0.5 H2O was isolated as a chemical individual.
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2.
The final product of the dehydration of the various solid phases of the system is ZnO2 · 0.5H2O.
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3.
Further prolonged drying of ZnO2 · 0.5 H2O at 110° does not give anhydrous zinc peroxide, ZnO2, but is accompanied by decomposition of the peroxide.
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4.
Thermal analysis showed that ZnO2 · 0.5 H2O decomposes with elimination of H2O and active oxygen at 180–190°
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Reinhardt, Research Item No. 40, 1952, Eulenburg Celluloid Works.
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Makarov, S.Z., Ladeinova, L.V. & Kapustinsky, A.F. Systems containing hydrogen peroxide at high concentration. Russ Chem Bull 6, 147–150 (1957). https://doi.org/10.1007/BF01170547
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DOI: https://doi.org/10.1007/BF01170547