Viscosity of Aqueous Solutions

Persulfate _Charts _795px _wide _single _5

Equation for calculation of viscosity

Viscosity (cp) = viscosity H2O + CX0.5 + DX + EX1.5, where X = solution concentration in grams per liter (g/L).

Salt

Constant

25° C

35°C

45°C

Ammonium

C

D

E

-1.0686 x 10-3

1.7140 x 10-4

2.4670 x 10-5

6.8050 x 10-3

-9.4542 x 10-4

5.9785 x 10-5

5.3134 x 10-3

-5.8450 x 10-4

4.5080 x 10-5

Potassium

C

D

E

0

1.0661 x 10-3

9.8884 x 10-5

5.9187 x 10-3

-1.0551 x 10-3

1.0674 x 10-4

3.5413 x 10-3

-9.5623 x 10-5

1.2477 x 10-5

Sodium

C

D

E

4.3857 x 10-3

-1.2218 x 10-3

1.5146 x 10-4

6.1743 x 10-3

-4.6619 x 10-4

8.1093 x 10-5

1.3461 x 10-2

-1.9741 x 10-3

1.3540 x 10-4

Viscosity of water

 

25° C

35°C

45°C

Viscosity of H2O

0.8904

0.7194

0.5960