| http://www.w3.org/ns/prov#value | - Usable known regulators are, for example, alcohols, such as methanol, ethanol, propanol, isopropanol, n-butanol, sec-butanol and amyl alcohols, alkyl mercaptans, such as, for example, dodecyl mercaptan and tert-dodecyl mercaptan, isooctyl thioglycolate and some halogen compounds, such as, for example, carbon tetrachloride, chloroform and methylene chloride.
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