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Groupprojectsbs17

From ChemWiki

Group B investigation

Additive

The additive used was icing sugar

Additive amounts

Cobb Test Hydrolysis Strength Test
Amount of icing sugar (w/v) 0%, 0.4%, 0.8%,5% 0%,0.4%,0.8%,1.25%,2%,5% 0.8%,2.5%,5%

Cobb Test

Mean data

0% 0.4% 0.8% 5%
Cobb Test time/min 10 10 10 10
Alginate adhered/g 0.53 1.11 0.13 0.09
Water absorbed/g 0.51 0.77 1.56 1.69
Water absorbed/ gm2 48.94 73.81 149.87 162.70
Standard error on absorbance 0.10 0.124 0.174 0.09

Hydrolysis

The hydrolysis was carried out for 15 minutes

Calcium uptake

Control (0%) 0.4% 0.8% 1.25% 2% 5%
Calcium Uptake/ mmolL-1 ×104 2.25 2.77 2.25 2.97 2.42 1.20
Standard error on incorporation 0.02 0.03 0.02 0.05 0.01 0.02

Strength test of alginate membrane