水在不同温度下的密度、粘度、介电常数和离子积常数Kw值
Densities, Viscosities, Dielectric Constant sand Ionic Product Constants of Water at Different Temperatures表中水的密度为不含有空气的纯水在标准大气压（101.325kPa）下的密度值。
水的离子积常数Kw = αH+·αOH-，且αH+ = αOH- 。 水在不同温度下的密度、粘度、介电常数和离子积常数Kw值 Densities, Viscosities, Dielectric Constants and Ionic Product Constants of Water at Different Temperatures温度t (Temperature) /0C密度ρ(Density) /(g/ml)黏度η (Viscosity)/(10-3Pa·s)介电常数ε(Dielectric constant)/(F/m)离子积常数(Ionic product constant) Kw00.99984-87.900.11×10-1420.99994---40.99997---50.9999651.518885.900.17×10-1460.99994---80.99985---100.9997001.309783.950.30×10-14120.99950---140.99924---150.9990991.144782.040.46×10-14160.99894--0.50×10-1417---0.55×10-14180.99860--0.60×10-1419---0.65×10-14200.9982031.008780.180.69×10-1421---0.76×10-14220.99777--0.81×10-1423---0.87×10-14240.99730--0.93×10-14250.9970440.894978.361.00×10-14260.99678--1.10×10-1427---1.17×10-14280.99623--1.29×10-1429---1.38×10-14300.9956460.800476.581.48×10-1431---1.58×10-14320.99503--1.70×10-1433---1.82×10-14340.99437--1.95×10-14350.994030.720874.852.09×10-14360.99369--2.24×10-1437---2.40×10-14380.99297--2.57×10-1439---2.75×10-14400.99222-73.152.95×10-14420.99144---440.99063---45--71.50-460.98979---480.98893---500.98804-69.885.5×10-14520.98712---540.98618---55--68.30-560.98521---580.98422---600.98320-66.769.55×10-14620.98216---640.98109---65--65.25-660.98001---680.97890---700.97777-63.7815.8×10-14720.97661---740.97544---75--62.34-760.97424---780.97303---800.97179-60.9325.1×10-14820.97053---840.96926---85--59.55-860.96796---880.96665---900.96531-58.2038.0×10-14920.96396---940.96259---95--56.88-960.96120---980.95979---1000.95836-55.58
