| http://www.w3.org/ns/prov#value | - Examples of the water-soluble chelating agent are ethylenediaminetetraacetic acid or its salts, diaminopropanoltetraacetic acid or its salts, diaminopropanetetraacetic acid or its salts, ethylenediaminediacetic acid or its salts, and ethylenediaminedipropionic acid or its salts.
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