ASTM D7500 - 12

    Standard Test Method for Determination of Boiling Range Distribution of Distillates and Lubricating Base Oils—in Boiling Range from 100 to 735°C by Gas Chromatography

    Active Standard ASTM D7500 | Developed by Subcommittee: D02.04.0H

    Book of Standards Volume: 05.04


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    Significance and Use

    5.1 The boiling range distribution of medium and heavy petroleum distillate fractions provides an insight into the composition of feed stocks and products related to petroleum refining processes (for example, hydrocracking, hydrotreating, visbreaking, or deasphalting). The gas chromatographic simulation of this determination can be used to replace conventional distillation methods for control of refining operations. This test method can be used for product specification testing with the mutual agreement of interested parties.

    5.2 This test method extends the scope of boiling range determination by gas chromatography to include distillates (IBP > 100°C) and heavy petroleum distillate fractions beyond the scope of Test Method D2887 (538°C).

    5.3 Boiling range distributions obtained by this test method have not been analyzed for correlation to those obtained by low efficiency distillation, such as with Test Method D86 or D1160. This test method does not claim agreement between these physical distillations and simulated distillation. Efforts to resolve this question will continue. When successful resolutions of the questions are determined, this test method will be revised accordingly.

    1. Scope

    1.1 This test method covers the determination of the boiling range distribution of petroleum products by capillary gas chromatography using flame ionization detection. This standard test method has been developed through the harmonization of two test methods, Test Method D6352 and IP 480. As both of these methods cover the same scope and include very similar operating conditions, it was agreed that a single standard method would benefit the global simulated distillation community.

    1.2 This test method is not applicable for the analysis of petroleum or petroleum products containing low molecular weight components (for example naphthas, reformates, gasolines, diesel). Components containing hetero atoms (for example alcohols, ethers, acids, or esters) or residue are not to be analyzed by this test method. See Test Methods D7096, D2887, or D7213 for possible applicability to analysis of these types of materials. This method is also not suitable for samples that will not elute completely from the gas chromatographic column, leaving residues. For such samples as crude oils and residues, see Test Methods D5307 and D7169.

    1.3 This test method is applicable to distillates with initial boiling points above 100ºC and final boiling points below 735ºC (carbon 110); for example, distillates (IBP > 100°C), base oils and lubricating base stocks.

    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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    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

    D86 Test Method for Distillation of Petroleum Products at Atmospheric Pressure

    D1160 Test Method for Distillation of Petroleum Products at Reduced Pressure

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

    D5307 Test Method for Determination of Boiling Range Distribution of Crude Petroleum by Gas Chromatography

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

    D7096 Test Method for Determination of the Boiling Range Distribution of Gasoline by Wide-Bore Capillary Gas Chromatography

    D7169 Test Method for Boiling Point Distribution of Samples with Residues Such as Crude Oils and Atmospheric and Vacuum Residues by High Temperature Gas Chromatography

    D7213 Test Method for Boiling Range Distribution of Petroleum Distillates in the Boiling Range from 100 to 615C by Gas Chromatography

    E355 Practice for Gas Chromatography Terms and Relationships

    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

    ISO Standard

    ISO3170 Petroleum Liquids Manual Sampling


    ICS Code

    ICS Number Code 75.100 (Lubricants, industrial oils and related products)

    UNSPSC Code

    UNSPSC Code 15120000(Lubricants and oils and greases and anti corrosives)


    DOI: 10.1520/D7500-12

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