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Monohydrates of strontium and barium hydroxide

Their prepration and X-ray powder patterns

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Abstract

The monohydrates of strontium and barium hydroxide have been prepared by decomposition, under vacuum, of the corresponding octahydrates. X-ray powder data for both compounds are reported, together with that for anhydrous strontium hydroxide; the latter is included in order to clarify an apparent anomaly in the literature.

Résumé

Préparation des hydroxydes de strontium et de baryum monohydratés par décomposition dans le vide des octohydrates correspondants. Etude par rayons X de ces composés ainsi que de l'hydroxyde de strontium anhydre, dans le but, pour ce dernier, d'élucider certaines anomalies de la littérature.

Zusammenfassung

Es wurden die Monohydrate von Strontium und Bariumhydroxid im Vakuum aus den entsprechenden Octahydraten hergestellt. Röntgenographische Daten für beide Verbindungen sowie für wasserfreies Strontiumhydroxid wurden gegeben; für Letzteres, um gewisse Anom alien in der Literatur zu klären.

Резюме

Приготовлены одново дные гидроокиси стро нция и бария путем распада в вакууме кристаллоги дратов соответствую щих солей, содержащих по восемь молекул воды. Описаны результ аты рентгенографиче ского исследования этих со единений, а также безводной окиси стро нция; изучение безвод ной соли было проведено с цель ю выяснения кажущегося отклонен ия, отмеченного в лите ратуре.

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References

  1. M. D. Judd andM. I. Pope, “Thermal Analysis”, Proc. 2nd Int. Cont. Thermal Analysis, Eds. R. F. Schwenker and P. D. Garn. Vol. II, p. 1423, Academic Press, New York, 1969.

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  4. ASTM file No. 1-0306. ASTM X-Ray Powder Data File. Inorganic Volume. American Society for Testing and Materials. Philadelphia. Nov. 1967.

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Additional information

The authors wish to thank Mr. A. Miller for taking the X-ray powder photographs.

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Judd, M.D., Pope, M.I. Monohydrates of strontium and barium hydroxide. Journal of Thermal Analysis 3, 397–402 (1971). https://doi.org/10.1007/BF02188646

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  • DOI: https://doi.org/10.1007/BF02188646

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