SODIUM ALGINATE
DEFINITION
Synonyms : E 401
Einecs:
Chemical Name : Sodium salt of alginic acid
Chemical formula : (C 6 H 7 NaO 6 ) n
Molecular weight : 10 000-600 000 (typical average)
Assay : Yields, on the anhydrous basis, not less than 18 % and not more than 21 % of carbon dioxide corresponding to not less than 90,8 % and not more than 106,0 % of sodium alginate (calculated on equivalent weight basis of 222)
DESCRIPTION
Nearly odourless, white to yellowish fibrous or granular powder
PURITY | |
---|---|
Loss on drying | Not more than 15 % (105 °C, 4 hours) |
Water insoluble matter | Not more than 2 % on the anhydrous basis |
Formaldehyde | Not more than 50 mg/kg |
Arsenic | Not more than 3 mg/kg |
Lead | Not more than 5 mg/kg |
Mercury | Not more than 1 mg/kg |
Cadmium | Not more than 1 mg/kg |
Microbiological Criteria | |
Total plate count | Not more than 5 000 colonies per gram |
Yeast and moulds | Not more than 500 colonies per gram |
Escherichia coli | Absent in 5 g |
Salmonella spp. | Absent in 10 g |
PACKING & STORAGE
Packing | 25 Kg, Paper Bags with inner PE liner Bags |
Shelf Life | 2 Years After Manufacturing Date, Under Recommended Conditions |
Storage | Cold And Dry Conditions, Sealed Packaging |