Home

Citation: ZENG Ying, WANG Rui-Lin, LIN Xiao-Feng, PENG Yun. Metastable Phase Equilibria of the Quaternary System Na⁺, K⁺//Cl^-, B₄O^2-₇-H₂O at 273 K[J]. Acta Physico-Chimica Sinica, ;2008, 24(03): 471-474. doi: 10.3866/PKU.WHXB20080321 shu

Metastable Phase Equilibria of the Quaternary System Na⁺, K⁺//Cl^-, B₄O^2-₇-H₂O at 273 K

1.
College of Materials and Chemistry &Chemical Engineering, Chengdu University of Technology, Chengdu 610059, P. R. China

Received Date: 20 September 2007
Available Online: 11 December 2007

The metastable phase equilibria of the quaternary system Na+, K+//Cl-, B4O2-
7-H2O were studied at 273 K by isothermal evaporation method. Solubilities and densities of the equilibrium solution of this system were determined. According to the experimental data, the metastable equilibrium phase diagram was plotted. The phase diagram of the system consists of five univariant curves, four crystallization fields and two invariant points. No double salt or solid solution was formed. The four crystallization fields were corresponding to single salt NaCl, KCl, K2B4O7·4H2O and Na2B4O7·10H2O, respectively. Invariant point E1 was saturated with salt KCl, NaCl and Na2B4O7·10H2O, the mass fraction composition of the equilibrium solution corresponding to E1 is w(Cl-)=29.15%, w(B4O2-7)=0.64%, w(K+)=5.97%, w(Na+)=15.55%, while that of point E2 was w(Cl-)=22.84%, w(B4O2-7)=10.98%, w(K+)=28.01%, w(Na+)=1.53%. Point E2 is saturated with salt KCl, Na2B4O7·10H2O and K2B4O7·4H2O. Compared with the stable phase diagram at 298 K, the crystallization field of Na2B4O7·10H2O became large at 273 K in this system, whereas the crystallization fields of K2B4O7·4H2O and NaCl became small.
- Quaternary system; Metastable phase equilibrium; Borate; 273 K
1. [1]
  Xiaowu Zhang , Pai Liu , Qishen Huang , Shufeng Pang , Zhiming Gao , Yunhong Zhang . Acid-Base Dissociation Equilibrium in Multiphase System: Effect of Gas. University Chemistry, 2024, 39(4): 387-394. doi: 10.3866/PKU.DXHX202310021
2. [2]
  Jiaxin Su , Jiaqi Zhang , Shuming Chai , Yankun Wang , Sibo Wang , Yuanxing Fang . Optimizing Poly(heptazine imide) Photoanodes Using Binary Molten Salt Synthesis for Water Oxidation Reaction. Acta Physico-Chimica Sinica, 2024, 40(12): 2408012-. doi: 10.3866/PKU.WHXB202408012
3. [3]
  Yingying Chen , Di Xu , Congmin Wang . Exploration and Practice of the “Four-Level, Three-Linkage” General Chemistry Course System. University Chemistry, 2024, 39(8): 119-125. doi: 10.3866/PKU.DXHX202401057
4. [4]
  Jianjun LI , Mingjie REN , Lili ZHANG , Lingling ZENG , Huiling WANG , Xiangwu MENG . UV-assisted degradation of tetracycline hydrochloride by MnFe₂O₄@activated carbon activated persulfate. Chinese Journal of Inorganic Chemistry, 2024, 40(10): 1869-1880. doi: 10.11862/CJIC.20240187
5. [5]
  Zimo Yang , Yan Tong , Yongbo Liu , Qianlong Liu , Zhihao Ni , Yuna He , Yu Rao . Developing selective PI3K degraders to modulate both kinase and non-kinase functions. Chinese Chemical Letters, 2024, 35(11): 109577-. doi: 10.1016/j.cclet.2024.109577
6. [6]
  Kun Zou , Yihang Xiao , Jinyu Yang , Mingxuan Wu . Facile semisynthesis of histone H3 enables nucleosome probes for investigation of histone H3K79 modifications. Chinese Chemical Letters, 2024, 35(10): 109497-. doi: 10.1016/j.cclet.2024.109497
7. [7]
  Xiongbo Song , Jinwen Xiao , Juan Wu , Li Sun , Long Chen . Decellularized amniotic membrane promotes the anti-inflammatory response of macrophages via PI3K/AKT/HIF-1α pathway. Chinese Chemical Letters, 2025, 36(1): 109844-. doi: 10.1016/j.cclet.2024.109844
8. [8]
  Junjie Duan , Dan Chen , Long Chen , Shuying Li , Ting Chen , Dong Wang . 2D hexagonal tessellations sustained by Br···Br/H contacts: From regular to semiregular to k-uniform tilings. Chinese Chemical Letters, 2025, 36(3): 110445-. doi: 10.1016/j.cclet.2024.110445
9. [9]
  Wei Zhong , Dan Zheng , Yuanxin Ou , Aiyun Meng , Yaorong Su . K原子掺杂高度面间结晶的g-C₃N₄光催化剂及其高效H₂O₂光合成. Acta Physico-Chimica Sinica, 2024, 40(11): 2406005-. doi: 10.3866/PKU.WHXB202406005
10. [10]
  Zhuangzhuang Zhang , Yaru Qiao , Jun Zhao , Dai-Huo Liu , Mengmin Jia , Hongwei Tang , Liang Wang , Dongmei Dai , Bao Li . Fluorine-doped K_0.39Mn_0.77Ni_0.23O_1.9F_0.1 microspheres with highly reversible oxygen redox reaction for potassium-ion battery cathode. Chinese Chemical Letters, 2025, 36(3): 109907-. doi: 10.1016/j.cclet.2024.109907
11. [11]
  Yang YANG , Pengcheng LI , Zhan SHU , Nengrong TU , Zonghua WANG . Plasmon-enhanced upconversion luminescence and application of molecular detection. Chinese Journal of Inorganic Chemistry, 2024, 40(5): 877-884. doi: 10.11862/CJIC.20230440
12. [12]
  Lianghong Ye , Junqing Ni , Zhongyi Yan , Zhanming Zhang , Can Zhu , Mo Sun . Chemical Fuel-Driven Non-Equilibrium Color Change. University Chemistry, 2025, 40(3): 349-354. doi: 10.12461/PKU.DXHX202406109
13. [13]
  Zhongbin Pan , Shijie Huang , Yunjie Luo , Hongzhen Xie . Design of a Comprehensive Experiment for Determining Permanganate Index (COD_Mn) in Drinking Water. University Chemistry, 2024, 39(7): 354-360. doi: 10.12461/PKU.DXHX202311040
14. [14]
  Yuena Yu , Fang Fang . Microwave-Assisted Synthesis of Safinamide Methanesulfonate. University Chemistry, 2024, 39(11): 210-216. doi: 10.3866/PKU.DXHX202401076
15. [15]
  Jinglun Wang , Hu Zhou , Baishu Zheng , Guobin Li , Ming Yue , Zhihua Zhou . Exploration and Practice of “Four Cooperations and Four Integrations” to Cultivate Innovative Talents in Chemical Materials in Local Colleges. University Chemistry, 2024, 39(7): 93-98. doi: 10.12461/PKU.DXHX202405013
16. [16]
  Jianbao Mei , Bei Li , Shu Zhang , Dongdong Xiao , Pu Hu , Geng Zhang . Enhanced Performance of Ternary NASICON-Type Na_3.5-xMn_0.5V_1.5-xZr_x(PO₄)₃/C Cathodes for Sodium-Ion Batteries. Acta Physico-Chimica Sinica, 2024, 40(12): 2407023-. doi: 10.3866/PKU.WHXB202407023
17. [17]
  Zhangshu Wang , Xin Zhang , Jixin Han , Xuebing Fang , Xiufeng Zhao , Zeyu Gu , Jinjun Deng . Exploration and Design of Experimental Teaching on Ultrasonic-Enhanced Synergistic Treatment of Ternary Composite Flooding Produced Water. University Chemistry, 2024, 39(5): 116-124. doi: 10.3866/PKU.DXHX202310056
18. [18]
  Yang Chen , Xiuying Wang , Nengqin Jia . Ideological and Political Design, Blended Teaching Practice of Physical Chemistry Experiment: Pb-Sn Binary Metal Phase Diagram. University Chemistry, 2025, 40(3): 223-229. doi: 10.12461/PKU.DXHX202405184
19. [19]
  Zhengyu Zhou , Huiqin Yao , Youlin Wu , Teng Li , Noritatsu Tsubaki , Zhiliang Jin . Synergistic Effect of Cu-Graphdiyne/Transition Bimetallic Tungstate Formed S-Scheme Heterojunction for Enhanced Photocatalytic Hydrogen Evolution. Acta Physico-Chimica Sinica, 2024, 40(10): 2312010-. doi: 10.3866/PKU.WHXB202312010
20. [20]
  Yong Shu , Xing Chen , Sai Duan , Rongzhen Liao . How to Determine the Equilibrium Bond Distance of Homonuclear Diatomic Molecules: A Case Study of H₂. University Chemistry, 2024, 39(7): 386-393. doi: 10.3866/PKU.DXHX202310102

Get Citation

PDF

XML

Metrics

PDF Downloads(2303)
Abstract views(3302)
HTML views(74)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Address：Zhongguancun North First Street 2,100190 Beijing, PR China Tel: +86-010-82449177-888

DownLoad: Full-Size Img PowerPoint

Return

Metastable Phase Equilibria of the Quaternary System Na+, K+//Cl-, B4O2-7-H2O at 273 K

Metrics

通讯作者: 陈斌, bchen63@163.com

Metastable Phase Equilibria of the Quaternary System Na⁺, K⁺//Cl^-, B₄O^2-₇-H₂O at 273 K