十二烷基苯磺酸钠在模拟混凝土孔隙液中对Q235钢缓蚀及吸附行为研究

唐荣茂, 刘光明, 师超, 张帮彦, 田继红, 甘鸿禹, 刘永强

Inhibition and Adsorption Behavior of Sodium Dodecyl-benzene Sulfonate on Q235 Steel in Simulated Concrete Pore Fluid

TANG Rongmao, LIU Guangming, SHI Chao, ZHANG Bangyan, TIAN Jihong, GAN Hongyu, LIU Yongqiang

表3 SDBS在Q235钢表面的等温吸附模型拟合参数

Table 3 Fitting parameters of the adsorption isotherm model of SDBS on the surface of Q235 steel

Adsorption isotherm model Fitting equation Correlation coefficient R2 Freundlich lgθ=0.18383lgc+0.49064 0.94258 Langmuir c/θ=1.04163c+1.23597×10-4 0.98901 Temkin θ=0.32158lgc+1.82918 0.91834