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Standard Test Method for Determination of Phenolic Antioxidants and Erucamide Slip Additives in Low-Density Polyethylene Using Liquid Chromatography

ASTM D 5524 Standard Test Method for Determination of Phenolic Antioxidants in High-Density Polyethylene Using Liquid Chromatography The method technically is very similar to that described in ASTM D 1996, except HDPE samples are analyzed, and extraction is performed with cyclohexane. As the standard notes, besides Irganox 1010, Irganox 1076, and Isonox 129, the test method should be applicable for the determination of other antioxidants such as Cyanox 425, Cyanox 1790, Cyanox 2246, Ultranox 236, and Ultranox 246, but the applicability of this test method has not been investigated for these antioxidants. Precision of the procedure is slightly poorer compared to that of ASTM D 1996 6-13% for within-laboratory tests and 9-19% for between-laboratory tests with concentrations of antioxidants in HDPE from approximately 0.02 to 0.08%. [Pg.548]


ASTM D 1996-97, Standard Test Method for Determination of Phenolic Antioxidants and Erucamide Slip Additives in Low Density Polyethylene Using Liquid Chromatography (LC), Annual Book of ASTM Standards, ASTM, West Conshohocken, PA (1997), Vol. 08.01. [Pg.27]


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Standard Test Method for Determination of Phenolic Antioxidants and Erucamide Slip Additives in Linear Low-Density Polyethylene Using Liquid Chromatography

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