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【求助】請問下各位高手:關(guān)于氧化銻的晶形轉(zhuǎn)化
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| 請問下各位高手:三氧化二銻的立方晶形和斜方晶形可以轉(zhuǎn)化嗎?那是立方晶形轉(zhuǎn)化為斜方晶形,還是斜方晶形轉(zhuǎn)化為立方晶形?具體條件又是怎樣呢? |
» 搶金幣啦!回帖就可以得到:
+5/775
+1/640
+2/446
+1/83
+1/82
+1/81
+3/79
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+1/1
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The Sb-O partial phase diagram is based primarily on [57Hen]. The melting point of Sb2O3 is 655 癈 [30Hin]. The polymorphic transformation temperature of Sb2O3 is 570 癈 [36Bue]. [64Rog] obtained bSbO2 by heating aSbO2 at 1130 癈. According to [57Hen], liquid "Sb2O3" decomposes into SbO and O2 at 1380 癈, solid "SbO2" decomposes into Sb2O3 and O2 at 1230 癈, and solid Sb2O5 decomposes into liquid SbO2 and O2 at 525 癈, under 1 atm pressure. The eutectic point between Sb2O3 an SbO2 is at 60.1 at.% O and 650 癈 [57Hen].Extrapolation of the L/[L + SbO2] phase boundary indicates that the melting point of SbO2 under a constrained condition is 1820 ?10 癈 [57Hen].--H.O. 27Sim: A. Simon, Z. Anorg. Allg. Chem., 165, 31-40 (1927). 30Hin: W.B. Hinke, J. Am. Chem. Soc., 52, 3869-3877 (1930). 36Bue: M.J. Buerger, Am. Mineralog., 21(3), 206-207 (1936). 38Dih: K. Dihlstrom and A. Westgren, Z. Anorg. Allg. Chem., 235, 153-160 (1938) in German. 42Alm: K.E. Almin and A. Westgren, Ark. Kemi Mineral. Geol. B, 15(22), 6 p (1942). 57Hen: H. Hennig and E.J. Kohlmeyer, Z. Erzbergbau Metallh黷tenwes., 10(1), 8-15 (1957) in German. 64Rog: D. Roger and A.C. Skapski, Proc. Chem. Soc., 400-401 (1964). 那些條件還是要自己去摸索的.什么都是文獻,還做實驗干什么呢? |
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