| http://www.w3.org/ns/prov#value | - Chlorinated hydrocarbons for example, such as chloroform, dichloroethane, di-and tetrachloroethylene, tetrachloroethane, methylene chloride, chlorobenzene and dichlorobenzene, and also non-chlorinated hydrocarbons, such as for example toluene and xylene, and mixtures of these solvents, particularly mixtures of methylene chloride and chlorobenzene, may be used as the organic phase for the interfaci
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