ASTM-D5442 2008

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D5442-93(2008) Standard Test Method for Analysis of Petroleum Waxes by Gas Chromatography

Published By	Publication Date	Number of Pages
ASTM	2008	6

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Category: ASTM

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Description

1.1 This test method covers the quantitative determination of the carbon number distribution of petroleum waxes in the range from n -C ₁₇ through n -C ₄₄ 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 -C ₄₄ is determined by its 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 D 721 .

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method
2	Significance and Use Apparatus Reagents and Materials TABLE 1
3	Sampling Preparation of Apparatus
4	Calibration and Standardization Procedure FIG. 1
5	Calculation FIG. 2 FIG. 3
6	Report Precision and Bias Keywords TABLE 2

Additional information

Standard Title	D5442-93(2008) Standard Test Method for Analysis of Petroleum Waxes by Gas Chromatography
Published Code	ASTM
Publication Date	2008
Pages Count	6

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ASTM-D5442 2008

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