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采用腐蚀失重法研究了溴代十六烷基吡啶（ＣＰＢ）对铝在盐酸介质中的缓蚀行为．通过Ｘ射线光电子能谱的测定及ＣＰＢ在铝表面上吸附热力学函数的计算，确定了ＣＰＢ与金属铝表面之间发生的是物理吸附，并且服从Ｌａｎｇ－ｍｕｉｒ吸附等温式．
The corrosion inhibition of bromination of cetyl pyridinium bromide (CPB) on aluminum in hydrochloric acid was studied by using corrosion loss method. Through the determination of X-ray photoelectron spectroscopy and the calculation of the thermodynamic function of CPB adsorption on the aluminum surface, it was confirmed that the physical adsorption between CPB and metal aluminum surface was obeyed and the Langmuir adsorption isotherm was obeyed.