表面张力乙醇浓度折光率曲线.doc

乙醇(标准液)浓度---------折光率数据记录浓度c(mol/L)0.95652.04803.12964.19045.41116.50847.56598.5241折光率n1.33591.33871.34221.34671.34921.35371.35661.3593乙醇（标准液）浓度---------折光率工作曲线C=-415.67324+311.95188n R=0.99788K=0.21044乙醇（待测液）浓度、折光率、表面张力数据记录折光率1.33551.33971.34351.34681.34981.35271.3545表面张力0.053870.045880.038720.034510.031980.029670.02841浓度0.93852.24873.43414.46365.39946.30416.8656乙醇（待测液）浓度——表面张力工作曲线r=-0.0000371078c^4+0.000582084c^3-0.00259c^2-0.0019c+0.05749R=0.99985乙醇（待测液）相关参数数据记录r’=-0.0001484312c^3+0.001746252c^2-0.00518c-0.0019c0.93852.24873.43414.46365.39946.30416.8656r’0.005100.003030.006920.022970.044410.072030.092882.0293*10-65.8149*10-67.0793*10-66.1764*10-65.0535*10-65.9511*10-68.8354*10-646250038670048510072270010680001059300777100——— 曲线k=190633 =1/190633=5.246*10-6=1/5.246*10-6*6.02*1023=3.166*10-19m23 / 3。