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1、表中水的密度为不含有空气的纯水在标准大气压（表中水的密度为不含有空气的纯水在标准大气压（101.325kPa101.325kPa）下的密度值。）下的密度值。水的离子积常数水的离子积常数K Kw w=H H+OHOH-，且，且 H H+=OHOH-。水在不同温度下的密度、粘度、介电常数和离子积常数水在不同温度下的密度、粘度、介电常数和离子积常数K Kw w值值Densities,Viscosities,Dielectric Constants and Ionic Product Constants of Water atDensities,Viscosities,Dielectric Const
2、ants and Ionic Product Constants of Water atDifferent TemperaturesDifferent Temperatures温度温度t t(Temperature)(Temperature)0 0/C C0 02 24 45 56 68 81010121214141515161617171818191920202121222223232424密度密度(Density)(Density)/(g/ml)/(g/ml)0.999840.999840.999940.999940.999970.999970.9999650.9999650.999940
3、.999940.999850.999850.9997000.9997000.999500.999500.999240.999240.9990990.9990990.998940.99894-0.998600.99860-0.9982030.998203-0.997770.99777-0.997300.99730黏度黏度(Viscosity)(Viscosity)/(10/(10 PaPas)s)-3-3介电常数介电常数 离子积常数离子积常数(Ionic(Ionic(Dielectric(Dielectricproduct constant)product constant)constant)/
4、(F/m)constant)/(F/m)K Kw w87.9087.90-85.9085.90-83.9583.95-82.0482.04-80.1880.18-0.110.111010-14-14-1.51881.5188-1.30971.3097-1.14471.1447-1.00871.0087-0.170.171010-14-14-0.300.301010-14-14-0.460.461010-14-140.500.501010-14-140.550.551010-14-140.600.601010-14-140.650.651010-14-140.690.691010-14-140.
5、760.761010-14-140.810.811010-14-140.870.871010-14-140.930.931010-14-1425252626272728282929303031313232333334343535363637373838393940404242444445454646484850505252545455550.9970440.9970440.996780.99678-0.996230.99623-0.9956460.995646-0.995030.99503-0.994370.994370.994030.994030.993690.99369-0.992970.
6、99297-0.992220.992220.991440.991440.990630.99063-0.989790.989790.988930.988930.988040.988040.987120.987120.986180.98618-0.89490.8949-0.80040.8004-0.72080.7208-78.3678.36-76.5876.58-74.8574.85-73.1573.15-71.5071.50-69.8869.88-68.3068.301.001.001010-14-141.101.101010-14-141.171.171010-14-141.291.29101
7、0-14-141.381.381010-14-141.481.481010-14-141.581.581010-14-141.701.701010-14-141.821.821010-14-141.951.951010-14-142.092.091010-14-142.242.241010-14-142.402.401010-14-142.572.571010-14-142.752.751010-14-142.952.951010-14-14-5.55.51010-14-14-56565858606062626464656566666868707072727474757576767878808
8、082828484858586868888909092929494959596960.985210.985210.984220.984220.983200.983200.982160.982160.981090.98109-0.980010.980010.978900.978900.977770.977770.976610.976610.975440.97544-0.974240.974240.973030.973030.971790.971790.970530.970530.969260.96926-0.967960.967960.966650.966650.965310.965310.963960.963960.962590.96259-0.961200.96120-66.7666.76-65.2565.25-63.7863.78-62.3462.34-60.9360.93-59.5559.55-58.2058.20-56.8856.88-9.559.551010-14-14-15.815.81010-14-14-25.125.11010-14-14-38.038.01010-14-14-98981001000.959790.959790.958360.95836-55.5855.58-55.055.01010-14-14