Sodium alginate is a polymer which can be extracted from brown seaweed and kelps. It is one of the structural polymers that help to build the cell walls of these plants. It has some unusual properties and a wide variety of uses.
This practical is part of our Chemistry for non-specialists collection.
2020-07-02T05:00:00Z
Ideas and resources to support you and your teaching from our July 2020 issue
2020-06-24T09:05:00Z
From zooming in on chemical phenomena to explaining marking schemes, try these teacher-tested approaches
2020-06-04T08:48:00Z
Download this slide and delve into the topic of synthetic and naturally occurring polymers ; exploring sugar chemistry and organic compounds with your class
2020-07-07T11:42:00Z
Video resources showing how to carry out a titration experiment and interactive resources to allow students to collect their own results.
2020-07-07T11:41:00Z
Video resource showing how to purify water to make it ‘potable’ and how to test it.
2020-07-07T11:41:00Z
Video resources showing the displacement reactions between the halogens chlorine, bromine and iodine and their respective halides.
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