Determination of Standard Molar Enthalpies of Formation for "White Powdery Tungstic Acid" and for Dodecatungstophosphoric Acid by Solution Calorimetry-中国Betway体育网页登陆

摘要 "Whitepowderytungsticacid"hasbeenusedforpreparingvarioustypesoftungsten-containingcompoundsduetoitshighreactivity.Thepresentpapercoversthestandardmolarenthalpiesofformation,△H0/fofthreetungsten-containingacids.Thevaluesfoundfor"whitepowderytungsticacid"WO3·1.68H2O,"yellowtungsticacid"WO3·1.20H2OanddodecatungstophosphoricacidH3(PW12O40)·25H2Oat298.15Kwere-(1312±1),-(1192±1)and-(18150±13)kJmol-1,respectively.

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Determination of Standard Molar Enthalpies of Formation for "White Powdery Tungstic Acid" and for Dodecatungstophosphoric Acid by Solution Calorimetry

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