Summary
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1.
The interaction between Sr(OH)2 and H2O2 was investigated at various H2O2 concentrations by the solubility method in the system Sr(OH)2-H2O2-H2O at −10‡, 0‡, 20‡, 30‡ and 50‡.
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2.
Compounds established with certainty by the method of residues were strontium peroxide octahydrate SrO2 · 8H2 and strontium peroxide diperhydrate SrO2·2H2O2. The existence was established of the previously unknown strontium peroxide monoperhydrate SrO2·H2O2, which is stable at H2O2 concentrations in the liquid phase from 2.9%7o to 9. 0% at 50‡.
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3.
Data in the literature on the existence of semi- and hexa-hydrates were not confirmed. The only hydrate form is strontium peroxide octahydrate SrO2·8H2O.
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Makarov, S.Z., Arnol'd, T.I. Systems containing hydrogen peroxide at high concentration Communication 16. Solubility isotherms of the ternary system Sr(OH)2-H2O2-H2O. Russ Chem Bull 7, 1358–1363 (1958). https://doi.org/10.1007/BF00914846
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DOI: https://doi.org/10.1007/BF00914846