Lynne Wong's PhD thesis

Table 5.12. Equilibrium moisture content (on a dry basis) of top fibre from R 570 aged 52 weeks and 36 weeks at various temperatures and water activities.
30 o C 45 o C 55 o C 60 o C
Water water adsorbed Water water adsorbed Water water adsorbed Water water adsorbed
m/m of 96% activity, a w (g/100g dry fibre) activity, a w (g/100g dry fibre) activity, a w (g/100g dry fibre) activity, a w (g/100g dry fibre)
H 2SO 4 soln 52 weeks 36 weeks 52 weeks 36 weeks 52 weeks 36 weeks 52 weeks 36 weeks
5% 0.9808 29.12 30.45 0.9812 32.40 38.38 0.9816 46.16 41.71 0.9818 53.30 43.83
32.11 29.61 33.79 35.46 43.96 46.82 39.60 34.81
mean 30.62 30.03 33.10 36.92 45.06 44.27 46.45 39.32
10% 0.9746 28.29 26.81 0.9751 30.20 27.81 0.9760 26.52 28.12 0.9764 27.98 28.69
24.34 23.54 27.45 25.68 24.14 24.38 31.35 24.44
mean 26.32 25.18 28.83 26.75 25.33 26.25 29.67 26.57
20% 0.8814 22.32 17.95 0.8839 19.19 16.83 0.8868 18.98 18.52 0.8882 21.38 15.45
17.22 18.79 17.84 17.99 16.82 17.94 19.95 15.45
mean 19.77 18.37 18.52 17.41 17.90 18.23 20.67 15.45
30% 0.7549 14.74 16.07 0.7629 12.55 14.35 0.7684 15.35 11.42 0.7711 11.62 12.71
16.65 13.83 12.84 15.72 9.64 12.16 12.78 11.15
mean 15.70 14.95 12.70 15.04 12.50 11.79 12.20 11.93
40% 0.5711 11.57 9.25 0.5866 9.29 8.79 0.5948 9.41 7.50 0.5989 8.24 8.60
8.58 10.48 8.14 8.49 8.42 8.78 8.07 6.68
mean 10.08 9.87 8.72 8.64 8.92 8.14 8.16 7.64
50% 0.3574 6.18 6.14 0.3765 5.79 5.27 0.3879 5.80 5.63 0.3936 5.40 5.53
6.42 5.99 8.74 9.13 5.39 4.50 3.45 5.09
mean 6.30 6.07 7.27 7.20 5.60 5.07 4.43 5.31
60% 0.1677 4.23 4.81 0.1834 3.43 3.72 0.1937 3.76 4.08 0.1988 3.55 5.14
7.21 4.41 3.88 3.74 3.64 2.96 3.70 2.07
mean 5.72 4.61 3.66 3.73 3.70 3.52 3.63 3.61
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