Summary
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1.
The emanation method was used to study the processes occurring during the heating of barium phosphotungstate.
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2.
The emanation of the salt at room temperature is higher, the higher its water content.
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3.
Regardless of the initial water content of the original hydrates, the changes occurring during heating above 60‡ are the same in character.
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4.
Over the temperature range from 100 to 200‡, where a large amount of water is lost, dehydration is not accompanied by a substantial change in emanation.
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5.
Practically complete dehydration (350‡) is not connected with the decomposition of the heteropolyanion, which is quite stable and begins to decompose at 580‡.
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6.
Barium phosphate and tungsten trioxide were found among the thermal decomposition products of barium phosphotungstate.
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Spitsyn, V.I., Zaborenko, K.B., Radicheva, M.A. et al. Application of the emanation method to the study of conversions of heteropoly compounds. Russ Chem Bull 10, 3–8 (1961). https://doi.org/10.1007/BF00909394
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DOI: https://doi.org/10.1007/BF00909394