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Citation: Liang Jingkui, Chai Zhang, Zhang Jinping. INVESTIGATION OF TERNARY SYSTEM BaO-B₂O₃-GeO₂ (BaO≤50 mol%)[J]. Acta Physico-Chimica Sinica, ;1987, 3(05): 508-513. doi: 10.3866/PKU.WHXB19870512 shu

INVESTIGATION OF TERNARY SYSTEM BaO-B₂O₃-GeO₂ (BaO≤50 mol%)

1.
Institute of Physics Academia Sinica; Graduate School of USTC Academia Sinica; Nanjing Normal University

Received Date: 26 May 1986
Available Online: 15 October 1987

The ternary system BaO-B_2O_3-GeO_2 (BaO≤50 mol%) has been investigated by means of X-ray diffraction and DTA techniques, The phase diagram of the room temperature section of BaO-B_2O_3-GeO_2 (BaO≤50 mol%) system has been established and a new ternary compound Ba_3B_6Ge_2O_(16)(3BaO·3B_2O_3·2GeO_2) has been found. The phase diagrams of the pseudo-binary system in this ternary system: BaB_2O_4-BaGeO_3; BaB_2O_4-Ba_3B_6Ge_2O_(16); BaGeO_3-Ba_3B_6Ge_2O_(16) have been studied, all of which are eu- tectic system. The eutectic reactions occur at 875±3 ℃; 937±3 ℃; 879±3 ℃ respectively, and the compositions are (BaO)_(0.50)(B_2O_3)_(0.27)(GeO_2)_(0.23); (BaO)_(0.42)(B_2O_3)_(0.42) (GeO_2)_(0.16); (BaO)_(0.42)(B_2O_3)_(0.24)(GeO_2)_(0.34) respectively. The pseudoternary system BaB_2O_4-BeGeO_3-Ba_3B_6Ge_2O_(16) is also a eutectic system. The ternary eutectic temperature is 870±3 ℃ and the composition is (BaO)_(0.46)(B_2O_3)_(0.27)(GeO_2)_(0.27).
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INVESTIGATION OF TERNARY SYSTEM BaO-B2O3-GeO2 (BaO≤50 mol%)

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INVESTIGATION OF TERNARY SYSTEM BaO-B₂O₃-GeO₂ (BaO≤50 mol%)