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于1993年7月-1993年9月，利用青岛海滨的新鲜海水配制不同盐度（30－5）的海水样品，采用GB4948－85规定的方法研究海水盐度的变化对铝基牺牲阳极电化学性能的影响。结果表明，海水盐度在30-10的范围内变化时对铝阳极的电化学性能无明显影响；当海水盐度降至5后，对阳极的开路电位、闭路电位及电流效率等产生明显影响，使性能指标低于国标要求的范围。
From July 1993 to September 1993, seawater samples of different salinities (30-5) were prepared from fresh seawater in Qingdao seafloor. The changes of seawater salinity were studied by the method of GB4948-85. The impact of performance. The results show that when the seawater salinity changes within the range of 30 to 10, the electrochemical performance of the aluminum anode has no significant effect. When the salinity of seawater drops to 5, the open circuit potential, the closed circuit potential and the current efficiency of the anode are significantly affected , So that the performance index below the national standard requirements.