ASTM-D3279 › Historical Revision Information
Standard Test Method for n-Heptane Insolubles
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Scope
1.1 This test method covers determination of the mass percent of asphaltenes as defined by insolubility in normal-heptane solvent. It is applicable to all solid and semi-solid petroleum asphalts containing little or no mineral matter, to gas oils, to heavy fuel oils, and to crude petroleum that has been topped to a cut-point of 343°C or higher.
1.2 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.
1.3 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. See Section 7 for a specific hazard statement.
Significance and Use
4.1 This test method is useful in quantifying the asphaltene content of petroleum asphalts, gas oils, heavy fuel oils, and crude petroleum. Asphaltene content is defined as those components not soluble in n-heptane.
Keywords
asphaltenes; heptane insolubles; ICS Number Code 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)
To find similar documents by ASTM Volume:
04.03 (Road and Paving Materials; Vehicle-Pavement Systems)
To find similar documents by classification:
91.100.50 (Binders. Sealing materials Including geomembranes, asphalts for buildings, etc.)
93.080.20 (Road construction materials Including asphalts, road pavements, etc.)
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Document Number
ASTM-D3279-12
Revision Level
2012 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Feb. 1, 2013
Document Type
Test Method
Page Count
4 pages
Committee Number
D04.47