| http://www.w3.org/ns/prov#value | - A preferred aqueous formulation comprises NaCl or other inorganic salt at about 0.5 to about 10 mM, citric acid or other appropriate buffer at about 0.5 to about 5 mM, and lysine monohydrochloride or other amino acid at about 0.5 to about 15 mM.
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