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Sodium Alginate is the purified carbohydrate product extracted from brown seaweeds by the use of dilute alkali. It consists chiefly of the sodium salt of alginic acid, a polyuronic acid composed of ß-d-mannuronic acid residues linked so that the carboxyl group of each unit is free while the aldehyde group is shielded by a glycosidic linkage.
SPECIFICATIONS:
.Identification
To pass test
Assay
90.8 %-106.0 %
Loss on drying
15.0 % max
Ash
18.0%-27.0%
Arsenic
1.5 ppm max
Lead
0.001% max
Heavy metals
0.004% max
Viscosity
Brookfield LVT; 30 RPM; Spindle #1 at 20C
40 10 cps
Microbial limits
Total bacterial count
200/g max
Salmonella
Negative
Escherichia coli
Negative
APPLICATIONS:
Variety of oral and topical pharmaceutical formulations. Antacid formulations.
In tablet formulation as binder and disintegrant. Also, used in cosmetic and food products.