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本文应用Ｐｉｔｚｅｒ电解质溶液理论，计算了１５℃，３５℃氨盐水碳酸化体系ＮａＣｌ－ＮａＨＣＯ＿３－ＮＨ＿４Ｃｌ－ＮＨ＿４ＨＣＯ＿３－Ｈ＿２Ｏ的相平衡数据。计算结果与文献实验数据较为吻合。
In this paper, Pitzer electrolyte solution theory was used to calculate the phase equilibrium data of NaCl-NaHCO_3-NH_4Cl-NH_4HCO_3-H_2O at 15 ℃ and 35 ℃. The calculated results are in good agreement with the experimental data in the literature.