| 无水钾镁矾类复盐(A＋)2Cd2(SO4)3的热化学 |
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| 引用本文： | 周亚平,张瑞,万洪文,詹正坤,许名飞. 无水钾镁矾类复盐(A＋)2Cd2(SO4)3的热化学[J]. 物理化学学报, 2001, 17(3): 245-247. DOI: 10.3866/PKU.WHXB20010312 |
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| 作者姓名： | 周亚平 张瑞 万洪文 詹正坤 许名飞 |
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| 作者单位： | Department of Chemistry,Central China Normal University,Wuhan 430079 |
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| 基金项目： | 湖北省科委九五攻关(No.630－ 230896)资助项目 |
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| 摘 要： |
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| 关 键 词： | 硫酸复盐 溶解量热法 标准摩尔生成焓 |
| 收稿时间： | 2000-07-06 |
| 修稿时间： | 2000-07-06 |
Thermochemical Studies onthe Langbeinite-Type Double Sulfate Salts |
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| Zhou Ya-Ping. Thermochemical Studies onthe Langbeinite-Type Double Sulfate Salts[J]. Acta Physico-Chimica Sinica, 2001, 17(3): 245-247. DOI: 10.3866/PKU.WHXB20010312 |
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| Authors: | Zhou Ya-Ping |
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| Affiliation: | Department of Chemistry,Central China Normal University,Wuhan 430079 |
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| Abstract: | The standard molar formation enthalpies of (A＋)2Cd2(SO4)3[A＋ is NH＋ 4 or K＋] are determined from the enthalpies of dissolution (ΔsHm) of [(A＋)2SO 4(s)＋2CdSO4(s)] and (A＋)2Cd2(SO4)3(s) in twice distilled water or 3 mol•L－1 HNO3 solvent respectively,at 298.2 K,as:ΔfHm [(NH4)2Cd2(SO4)3,s,298.2K]=－3031.74±0.08 kJ•mol－1ΔfHm [K2Cd2(SO4)3,s,298.2K]=－3305.52±0.17 kJ•mol－1 |
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| Keywords: | Double sulfate salts Solution calorimetry The standard molar enth alpy of formation |
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