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一、前言Pourbaix 和最近由 Barral 等人发表了在25℃下 Ru—H_2O 系统的电位—pH曲线图。两位作者都证明了二氧化钌的热力学稳定范围比较宽,二氧化钌在活性钛阳极(ATA)的活性表面层中是主要成分。因为涂以氧化钌和氧化钛层的钛阳极在碱金属氯化物电解工艺中通常是经济的,但在氯化
I. INTRODUCTION Pourbaix and recently published by Barral et al. Plot the potential-pH curve of the Ru-H 2 O system at 25 ° C. Both authors demonstrated that the ruthenium dioxide has a relatively thermodynamically stable range and ruthenium dioxide is the predominant component in the active surface layer of active titanium anodes (ATA). Because titanium anodes coated with a layer of ruthenium oxide and titanium oxide are generally economical in alkali metal chloride electrolysis processes,