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1.1 This test method covers a liquid-chromatographic procedure for the separation of primary and secondary antioxidant and slip additives currently used in polyethylene plastics. These additives are extracted with either isopropanol (resin densities < 0.94 g/cm3) or cyclohexane (resin densities > 0.94 g/cm3) prior to liquid-chromatographic separation. The ultraviolet absorbance of the eluting compound(s) is measured and quantitation is performed using external calibration.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 83.040.20 : Rubber compounding ingredients |
| Number of pages | 7 |
| Replace | ASTM D6953-11 |
| Set | ASTMVOL0803 |
| Year | 2018 |
| Document history | ASTM D6953-11 |
| Country | USA |
| Keyword | ASTM 6953;ASTM D6953;ASTM D6953;10.1520/D6953-18 |