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See Chinese contents: GB/T 26388-2011 GB/T 26388-2011: Determination of dioxane residues in surfactants -- Gas chromatographic method
This standard applies to the determination of trace amounts of 1,4-dioxane, in the surfactants, which are produced from ethylene oxide as raw materials, such as ethoxylated alkyl sulfates and polyethylene glycols. For the personal care products, which contain such surfactants, it may also refer to the method, which is determined by this standard, to determine the content of 1,4-dioxane.
