吸光度与透光率Absorbance and transmittance -lgT=Kcb=A T=10-4=10-Kbc T:透光率 A:吸光度 T=0.0% 1.0 100 A=00 T=100.0% 9 0.5 50 A=0.0 T=36.8% A=0.434吸光度 与透光率 Absorbance and transmittance − lgT = Kcb = A T ： 透光率 A： 吸光度 1.0 0.5 0 A C A 100 50 0 T % T A Kbc T − − =10 =10 T = 0.0 % A = ∞ T = 100.0 % A = 0.0 A = 0.434 T = 36.8 %