| http://www.w3.org/ns/prov#value | - An aqueous gel is prepared comprising a water-soluble polymer, such as polyvinyl alcohol, and a salting out agent, such as magnesium acetate tetrahydrate, dissolved in distilled water heated to 40??? C. The water-soluble polymer and salting out agent are combined in the water in a 1:3 ratio, respectively.
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