1. (Science: chemistry) The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called crude petroleum, mineral oil, or rock oil. Specifically: That portion of the distillate obtained in the refinement of petroleum which is intermediate between the lighter gasoline and the heavier benzine, and has a specific gravity of about 0.7, used as a solvent for varnishes, as a carburetant, illuminant, etc.
2. (Science: chemistry) One of several volatile inflammable liquids obtained by the distillation of certain carbonaceous materials and resembling the naphtha from petroleum; as, Boghead naphtha, from Boghead coal (obtained at Boghead, Scotland); crude naphtha, or light oil, from coal tar; wood naphtha, from wood, etc.
This term was applied by the earlier chemical writers to a number of volatile, strong smelling, inflammable liquids, chiefly belonging to the ethers, as the sulphate, nitrate, or acetate of ethyl. Naphtha vitrioli [NL, naphtha of vitriol.
Origin: L. Naphtha, Gr, fr.Ar. Nafth, nifth.
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... pigment that can be chromatographed in a system. The solvent of 1 part acetone and 6 to 9 parts of petroleum ether (or cigarette lighter fluid or naphtha or mineral spirits) should be used in a fume hood or outside (unless you want to get a headache or have the excitement of an exploded lab). ...
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