| http://www.w3.org/ns/prov#value | - om cellulose, amino-polysaccharides such as chitin, chitosan and polymers derived from these substances, oligiosaccharides, polysaccharides of and derivatives of polysaccharides of microbial origin, polyols, polyols of microbial origin, sugar alcohols, polymers of sugar alcohols, mineral oxides, inorganic and organic oxides, phosphates, sulphates, carbonates and other insoluble salts or covalently
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