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题名: 水合偏硼酸钾的热化学研究(英文)
作者: 朱黎霞 ;  高世扬 ;  王波 ;  夏树屏
刊名: 无机化学学报
出版日期: 2003-03-01
期号: 3, 页码:99-102
关键词: 水合偏硼酸钾 ;  标准摩尔生成焓 ;  溶解量热法 ;  溶解焓
英文摘要: Hydrated potassium monoborate(KBO 2 ·4/3H 2 O)was obtained from an aqueous solutio n in a mole ratio of K 2 O∶B 2 O 3 =2∶1and characterized by powder X-ray diffraction(XRD),infrared spectroscopy(FT-IR)and Raman spectroscopy.The enthalpy of solut ion of hydrated potassium monoborate,KBO 2 ·4/3H 2 O,in approximately1mol·dm -3 aqueous hydrochloric acid was determined.Together with the previously determined enthalpies of so-lution of H 3 BO 3 in approximately 1mol·dm -3 HCl (aq),and of KCl in aqueous(hydrochloric acid +boric acid),the standard molar enthalpy of forma tion of -(1411.11±0.84)kJ·mol -1 for KBO 2 ·4/3H 2 O was obtained from the standard molar enthalpies of formation of KCl (s),H 3 BO 3 (s),and H 2 O(l).The standard molar entropy of formation of -422.94J ·K -1 ·mol -1 and standard molar entropy of 163.47J·K -1 ·mol -1 for KBO 2 ·4/3H 2 O were calculated from the thermodynamic relations.A group contribution method is applicable to KBO 2 ·4/3H 2 O.
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/468
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
朱黎霞,高世扬,王波,等. 水合偏硼酸钾的热化学研究(英文)[J]. 无机化学学报,2003-03-01(3):99-102.
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文件名: 水合偏硼酸钾的热化学研究_英文_.pdf
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