| http://www.w3.org/ns/prov#value | - Preferred co-solvents are those which contain hydroxyl groups or other polar groups, e.g. alcohols???particularly isopropyl alcohol, glycols???particularly propyleneglycol, polyethyleneglycol, polypropyleneglycol, glycolether, glycerol, polyoxyethylene alcohols and polyoxyethylene fatty acid esters.
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