![]() ![]() "Mineral oil", sold widely and cheaply in the United States, is not sold as such in the United Kingdom. A similar lexical situation occurred with the term " white metal". Prior to the late 19th century, the chemical science to determine the makeup of an oil was unavailable in any case. ![]() Merriam-Webster states the first use of the term "mineral oil" as being 1771. Some of the imprecision in the definition of the names used for mineral oil (such as 'white oil') reflects usage by consumers and merchants who did not know, and usually had no need of knowing, the oil's precise chemical makeup. More generally, mineral oil is a transparent, colorless oil, composed mainly of alkanes and cycloalkanes, related to petroleum jelly. Mineral oils used for lubrication are known specifically as base oils. Most often, mineral oil is a liquid obtained from refining crude oil to make gasoline and other petroleum products. Other names, similarly imprecise, include 'white oil', 'paraffin oil', ' liquid paraffin' (a highly refined medical grade), paraffinum liquidum ( Latin), and 'liquid petroleum'. The name 'mineral oil' by itself is imprecise, having been used for many specific oils over the past few centuries. Mineral oil is any of various colorless, odorless, light mixtures of higher alkanes from a mineral source, particularly a distillate of petroleum, as distinct from usually edible vegetable oils. (a) In lieu of standard test method, alternate test methods may be used for the certification of a product property.For crude oil found in geological deposits, see Petroleum.īottle of mineral oil as sold in the U.S. Note 2: For purpose of determining conformance with specification, observed or calculated values shall be rounded off to the nearest unit in the last significant digit used in expressing the limiting value in accordance to the ASTM E 29 method Actual values may deviate within the established reproducibility of the test method specified. Note 1: Products are certified on release to meet the values specified.
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