Testing standards for aromatic content in white oil
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Standard test method for the aromatic and saturated hydrocarbon contents in the products of paraffin oil hydrogenation, namely white oil?
This analysis method is described in the product standards for white oil; you should check those standards. As I recall, it’s the ultraviolet absorption method; if analyzing the specific composition of aromatic hydrocarbons, chromatography-mass spectrometry would likely be required.