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Scope

1.1 This test method covers a liquid-chromatographic procedure for the separation of some additives currently used in polypropylene. These additives are extracted with a cyclohexane:methylene chloride mixture using either reflux or ultrasonic bath prior to liquid-chromatographic separation. The ultraviolet absorbence (200 nm) of the compound(s) is measured, and quantitation is performed using the internal standard method.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 9.

Note 1- There is no similar or equivalent ISO standard.

Keywords

additive; antioxidants; erucamide slip; extraction; Irgafos 168; Irganox 1010; Irganox 1076; Irganox 3114; liquid chromatography (LC); polypropylene (PP); vitamin E; ICS Number Code 71.040.50 (Physicochemical methods of analysis); 83.080.20 (Thermoplastic materials)

To find similar documents by ASTM Volume:

08.03 (Plastics (III): D5117 - latest; Reinforced Plastic Piping Systems and Chemical Equipment; Plastic Building Products)

To find similar documents by classification:

71.040.50 (Physicochemical methods of analysis Including spectrophotometric and chromatographic analysis)

83.080.20 (Thermoplastic materials)

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