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GC-FID: Determination of Cetyl Alcohol and Aliphatic Alcohol Impurities According to USP
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GC-FID: Determination of Ethylene Glycol and Diethylene Glycol in Polyethylene Glycol 400 according to USP Monograph
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GC-FID: Determination of Diethylene Glycol and Ethylene Glycol according to USP Propylene Glycol Monograph