Coefficient of Cubical Expansion

To calculate the specific volume (Vt2) at temperature t2, from known values of specific volume at some base temperature (Vt1) using a given set of coefficients of expansion (B). Where: B = Coefficient of cubical expansion.

Vt2 = Vt1[1 + B(t2 – t1)]

Weight % H2O2 Mean Coefficient of Cubical Expansion B, per °C x 104
0-25 °C 25-96 °C
0 0.83 5.25
5 1.97 5.57
10 2.92 5.91
15 3.61 6.26
20 4.21 6.56
25 4.70 6.82
30 5.14 7.05
35 5.50 7.26
40 5.83 7.46
45 6.11 7.64
50 6.36 7.80
55 6.57 7.93
60 6.77 8.04
65 6.95 8.15
70 7.11 8.24
75 7.26 8.34
80 7.40 8.44
85 7.53 8.50
90 7.65 8.53
95 7.75 8.56
100 7.85 8.58

Ref: W.C. Schumb, C.N. Satterfield, R.L. Wentworth. "Hydrogen Peroxide", ACS Monograph, Reinhold Publishing Corp., New York (1955), pg. 757.

Notes:

  1. The expansion coefficient is greater than that of water.
  2. H2O2 solutions < 45 wt.% expand during freezing, while those > 65% contract

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