溶液表面吸附的测定—最大气泡压力法

溶液面吸附的测定—最大气泡压力法数据处理图 1、原数据拟合γ-c图像 2、光滑曲线上取7个点所作γ-c图像 3、作图所得七个点的斜率及坐标 B[1]: slope = -0.114246；X = 0.0299279279, Y = 0.0629731882；Z=0.00342 B[2]: slope = -0.104608；X = 0.0500780781, Y = 0.0606711164; Z=0.00524 B[3]: slope = -0.0921143；X = 0.0698978979, Y = 0.0587888351; Z=0.00644 B[4]: slope = -0.0850474；X = 0.099957958, Y = 0.0561057047; Z=0.00850 B[5]: slope = -0.0761004；X = 0.149837838, Y = 0.0520736256; Z=0.01140 B[6]: slope = -0.0653325；X = 0.200048048, Y = 0.0484903723; Z=0.01307 B[7]: slope = -0.0592999； X = 0.300138138, Y = 0.0425550391; Z=0.01780 4、拟合所得C/Γ—C图像 Γ∞=1.332×10-5mol/m2；q=1/(Γ∞NA)=1/(1.332×10-5×6.02×1023)=1.247×10-19m2 d=(MΓ∞)/ ρ=74.12×1.332×10-5÷0.811×10-6=1.217×10-9m 查文献中的直链醇类横截面积理论值为2.74×10-19~2.89×10-19 m2,取二者平均值2.82×10-19 m2 _1444684048.bin _1444686600.bin _1444678091.bin