水在不同温度下的密度、粘度

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) 0/C 0 2 4 5 6 8 10 12 14 15 16 17 18 19 20 21 22 23 24 密度ρ(Density) /(g/ml) 0.99984 0.99994 0.99997 0.999965 0.99994 0.99985 0.999700 0.99950 0.99924 0.999099 0.994 - 0.99860 - 0.998203 - 0.99777 - 0.99730 黏度η (Viscosity) /(10Pa·s) -3介电常数ε离子积常数(Ionic (Dielectric product constant) constant)/(F/m) Kw 87.90 - - 85.90 - - 83.95 - - 82.04 - - - - 80.18 - - - - 0.11×10 -14- - - 1.5188 - - 1.3097 - - 1.1447 - - - - 1.0087 - - - - - - 0.17×10 -14- - 0.30×10 -14- - 0.46×10 -140.50×10 -140.55×10 -140.60×10 -140.65×10 -140.69×10 -140.76×10 -140.81×10 -140.87×10 -140.93×10 -141 / 4

25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 42 44 45 46 48 50 52 0.997044 0.99678 - 0.99623 - 0.9956 - 0.99503 - 0.99437 0.99403 0.99369 - 0.99297 - 0.99222 0.99144 0.99063 - 0.979 0.983 0.98804 0.98712 0.49 - - - - 0.8004 - - - - 0.7208 - - - - - - - - - - - - 78.36 - - - - 76.58 - - - - 74.85 - - - - 73.15 - - 71.50 - - 69.88 - 1.00×10 -141.10×10 -141.17×10 -141.29×10 -141.38×10 -141.48×10 -141.58×10 -141.70×10 -141.82×10 -141.95×10 -142.09×10 -142.24×10 -142.40×10 -142.57×10 -142.75×10 -142.95×10 -14- - - - - 5.5×10 -14-

55 56 58 60 62 65 66 68 70 72 74 75 76 78 80 82 84 85 86 88 90 0.98618 - 0.98521 0.98422 0.98320 0.98216 0.98109 - 0.98001 0.970 0.97777 0.97661 0.974 - 0.97424 0.97303 0.97179 0.97053 0.96926 - 0.96796 0.96665 0.96531 - - - - - - - - - - - - - - - - - - - - - - - - 68.30 - - 66.76 - - 65.25 - - 63.78 - - 62.34 - - 60.93 - - 59.55 - - 58.20 - - - - 9.55×10 -14- - - - - 15.8×10 -14- - - - - 25.1×10 -14- - - - - 38.0×10 -14

92 94 95 96 98 100 0.96396 0.96259 - 0.96120 0.95979 0.95836 - - - - - - - - 56.88 - - 55.58 - - - - - 55.0×10 -14

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