Time-dependent changes of zeta potential and other parameters of in situ calcium carbonate due to magnetic field treatment
Time-dependent changes of zeta potential and other parameters of in situ calcium carbonate due to magnetic field treatment
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DOI：
10.1016/s0927-7757(02)00149-8
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发表时间：
2002-08-14
影响因子：
5.2
通讯作者：
Chibowski, E
中科院分区：
文献类型：
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作者：
Holysz, L;Chibowski, M;Chibowski, E
在动力学条件下，研究了南北向（N-S，0.45 T）、南北向（S-S，0.1 T）和两个南北向（2（S-S），2 x 0.1 T）永磁磁场对碳酸钠溶液的影响。从溶液和等摩尔CaCl 2溶液中沉淀出CaCO 3。结果发现，根据暴露时间，磁场降低了1-4 mN m（-1）的碳酸钠的表面张力。磁化溶液中碳酸钙的沉淀速率与未处理溶液不同，沉降速率也不同。与参比体系相比，原位沉淀碳酸钙的动电位也受到显著影响。这种影响一定是由于CaCO 3的磁场分子（可能是碳原子）造成的，其中价电子自旋可以不成对。(C)2002 Elsevier Science B. V.保留所有权利。
Effects of permanent magnetic fields, north-south (N-S, 0.45 T), south-south (S-S, 0.1 T), and two south-south (2(S-S), 2 x 0.1 T) on sodium carbonate solution were investigated in a kinetic condition for various exposure time of the solution to the magnetic fields. From the solution and equimolar CaCl2 solution CaCO3 was precipitated. It was found that depending on the exposure time, the magnetic fields decreased surface tension of the sodium carbonate by 1-4 mN m(-1). From the magnetized solution the rate of calcium carbonate precipitation was different than from untreated solution, as well as the sedimentation rates. Also electrokinetic potentials of in situ precipitated calcium carbonate were significantly affected in comparison to the reference system. The effects must be due to the magnetic field molecules of CaCO3, possible carbon atoms, where valency electron spins can be unpaired. (C) 2002 Elsevier Science B.V. All rights reserved.