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Scope

1.1 This test method covers the determination of the impurities in, and the purity of styrene by gas chromatography. It is applicable to styrene in the range from 99 to 100% purity and to impurities at concentrations of 0.001 to

1.00%. This test method may be used for lower purity but not all the impurities may be readily identified and the use of an internal standard becomes more difficult.

1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.

1.3 This standard does not purport to address all 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. For a specific hazard statement, see Section 6.

Keywords

Capillary gas chromatography; Gas chromatography (GC)-paints/related coatings/materials; Impurities-paints/related coatings/materials; Styrene; analysis of styrene by capillary gas chromatography, test; ICS Number Code 71.080.15 (Aromatic hydrocarbons)

To find similar documents by ASTM Volume:

06.04 (Paint -- Solvents; Aromatic Hydrocarbons)

To find similar documents by classification:

71.080.15 (Aromatic hydrocarbons)

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