ASTM-D5442 Historical Revision Information
Standard Test Method for Analysis of Petroleum Waxes by Gas Chromatography

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Standard Test Method for Analysis of Petroleum Waxes by Gas Chromatography


1.1 This test method covers the quantitative determination of the carbon number distribution of petroleum waxes in the range from n-C17 through n-C44 by gas chromatography using internal standardization. In addition, the content of normal and non-normal hydrocarbons for each carbon number is also determined. Material with a carbon number above n-C44 is determined by difference from 100 mass% and reported as C 45+ .

1.2 This test method is applicable to petroleum derived waxes, including blends of waxes. This test method is not applicable to oxygenated waxes, such as synthetic polyethylene glycols (for example, Carbowax ), or natural products such as beeswax or carnauba.

1.3 This test method is not directly applicable to waxes with oil content greater than 10% as determined by Test Method D721.

1.4 The values stated in SI units are to be regarded as the standard.

1.5 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 consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Notes 1 and 2.


Carbon distribution; petroleum waxes-carbon number distribution (range n-C 17 -n-C 44 ), by gas; chromatography, test,; Chromatography-gas (petroleum products); Non-normal paraffin hydrocarbons; Normal paraffin; Paraffin wax; Petroleum wax; petroleum waxes-analysis, by gas chromatography, test,; Hydrocarbons; petroleum waxes-normal/non-normal hydrocarbons for carbon numbers, by; gas chromatography, test; ICS Number Code 75.140 (Waxes, bituminous materials and other petroleum products)

To find similar documents by ASTM Volume:

05.02 (Petroleum Products and Lubricants (II): D3711 - D6122)

To find similar documents by classification:

75.140 (Waxes, bituminous materials and other petroleum products Asphalts for building, see 91.100.50 Asphalts for road construction, see 93.080.20)

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Modification Type


Publication Date

Dec. 15, 1993

Document Type

Test Method

Page Count

7 pages

Committee Number