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本文测定了10℃时Na_2CO_3—NaHCO_3—NaCl—H_2O、Na_2CO_3—NaHCO_3—Na_2SO_4—H_2O和NaHCO_3—Na_2S为O_(?)—NaCl—H_2O等三个四元体系的相平衡数据,绘出了10℃时Na_2CO_3—NaHCO_(?)—Na_2SO_(?)—NaCl—H_2O五元体系的部分相平衡数据,确定了倍半碱存在的界面,绘制了有关相图并进行了分析讨论。
In this paper, the phase equilibrium data of three quaternary systems Na_2CO_3-NaHCO_3-NaCl-H_2O, Na_2CO_3-NaHCO_3-Na_2SO_4-H_2O and NaHCO_3-Na_2S were determined at 10 ℃. The partial phase equilibria data of Na_2CO_3-NaHCO_ (Na_2CO_3-Na_2SO_ ())-NaCl-H_2O five-component system were used to determine the interface of sebacic. The relevant phase diagrams were drawn and analyzed.