Alginate - Extraction of alginate
3 important questions on Alginate - Extraction of alginate
What is the source of alginate?
How is alginate extracted?
- Brown seaweed
- Hot alkaline solution
- Removal of insoluble material --> solution of sodium alginate
- Alginate is precipitated from the solution by adding calcium chloride or acid.
- Alginic acid obtained --> converted back to sodium alginate and dried --> sodium alginate powder
What do the properties of alginate depend on?
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