ASTM D7169 - 11

    Standard Test Method for Boiling Point Distribution of Samples with Residues Such as Crude Oils and Atmospheric and Vacuum Residues by High Temperature Gas Chromatography

    Active Standard ASTM D7169 | Developed by Subcommittee: D02.04.0H

    Book of Standards Volume: 05.04


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    Significance and Use

    The determination of the boiling point distribution of crude oils and vacuum residues, as well as other petroleum fractions, yields important information for refinery operation. These boiling point distributions provide information as to the potential mass percent yield of products. This test method may provide useful information that can aid in establishing operational conditions in the refinery. Knowledge of the amount of residue produced is important in determining the economics of the refining process.

    1. Scope

    1.1 This test method covers the determination of the boiling point distribution and cut point intervals of crude oils and residues by using high temperature gas chromatography. The amount of residue (or sample recovery) is determined using an external standard.

    1.2 This test method extends the applicability of simulated distillation to samples that do not elute completely from the chromatographic system. This test method is used to determine the boiling point distribution through a temperature of 720°C. This temperature corresponds to the elution of n-C100.

    1.3 This test method is used for the determination of boiling point distribution of crude oils. This test method uses capillary columns with thin films, which results in the incomplete separation of C4-C8 in the presence of large amounts of carbon disulfide, and thus yields an unreliable boiling point distribution corresponding to this elution interval. In addition, quenching of the response of the detector employed to hydrocarbons eluting during carbon disulfide elution, results in unreliable quantitative analysis of the boiling distribution in the C4-C8 region. Since the detector does not quantitatively measure the carbon disulfide, its subtraction from the sample using a solvent-only injection and corrections to this region via quenching factors, results in an approximate determination of the net chromatographic area. A separate, higher resolution gas chromatograph (GC) analysis of the light end portion of the sample may be necessary in order to obtain a more accurate description of the boiling point curve in the interval in question (see Appendix X1).

    1.4 This test method is also designed to obtain the boiling point distribution of other incompletely eluting samples such as atmospheric residues, vacuum residues, etc., that are characterized by the fact that the sample components are resolved from the solvent.

    1.5 This test method is not applicable for the analysis of materials containing a heterogeneous component such as polyesters and polyolefins.

    1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.7 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. Specific warning statements are given in Section 8.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D2887 Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography

    D2892 Test Method for Distillation of Crude Petroleum (15-Theoretical Plate Column)

    D4057 Practice for Manual Sampling of Petroleum and Petroleum Products

    D6352 Test Method for Boiling Range Distribution of Petroleum Distillates in Boiling Range from 174 to 700C by Gas Chromatography

    D6729 Test Method for Determination of Individual Components in Spark Ignition Engine Fuels by 100 Metre Capillary High Resolution Gas Chromatography

    D6730 Test Method for Determination of Individual Components in Spark Ignition Engine Fuels by 100-Metre Capillary (with Precolumn) High-Resolution Gas Chromatography

    E594 Practice for Testing Flame Ionization Detectors Used in Gas or Supercritical Fluid Chromatography

    E1510 Practice for Installing Fused Silica Open Tubular Capillary Columns in Gas Chromatographs


    ICS Code

    ICS Number Code 71.040.50 (Physicochemical methods of analysis)

    UNSPSC Code

    UNSPSC Code 15101508(Crude oil)


    Referencing This Standard

    DOI: 10.1520/D7169-11

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D7169-11, Standard Test Method for Boiling Point Distribution of Samples with Residues Such as Crude Oils and Atmospheric and Vacuum Residues by High Temperature Gas Chromatography, ASTM International, West Conshohocken, PA, 2011, www.astm.org

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