| http://www.w3.org/ns/prov#value | - FIG. 1 shows a state where an aqueous solution 11 in which nucleic acids and impurities other than the nucleic acids produced by denaturing protein contaminants and lysis of a biological material are dispersing, and a high specific gravity organic liquid 12 or a mixture 12 of high specific gravity organic liquids or a mixture 12 of these high specific organic gravity liquids and alcohol are separa
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