ASTM D2158 - 11

    Standard Test Method for Residues in Liquefied Petroleum (LP) Gases

    Active Standard ASTM D2158 | Developed by Subcommittee: D02.H0

    Book of Standards Volume: 05.01


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    Significance and Use

    Control over the residue content (required by Specification D1835) is of considerable importance in end-use applications of LPG. In liquid feed systems residues can lead to troublesome deposits and, in vapor withdrawal systems, residues that are carried over can foul regulating equipment. Those that remain will accumulate, can be corrosive, and will contaminate following product. Water, particularly if alkaline, can cause failure of regulating equipment and corrosion of metals.

    1. Scope

    1.1 This test method covers the determination of extraneous materials weathering above 38°C that are present in liquefied petroleum gases. The extraneous materials will generally be dissolved in the LPG, but may have phase-separated in some instances.

    1.2 Liquefied petroleum gases that contain certain anti-icing additives can give erroneous results by this test method.

    1.3 Although this test method has been used to verify cleanliness and lack of heavy contaminants in propane for many years, it might not be sensitive enough to protect some equipment from operational problems or increased maintenance. A more sensitive test, able to detect lower levels of dissolved contaminants, could be required for some applications.

    1.4 WARNINGMercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPAs websitehttp://www.epa.gov/mercury/faq.htmfor additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.

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

    1.6 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

    D96 Test Method for Water and Sediment in Crude Oil by Centrifuge Method (Field Procedure)

    D1796 Test Method for Water and Sediment in Fuel Oils by the Centrifuge Method (Laboratory Procedure)

    D1835 Specification for Liquefied Petroleum (LP) Gases

    E1 Specification for ASTM Liquid-in-Glass Thermometers

    Energy Institute Document

    IPTestMethods-Append Specifications - IP standard thermometers Available from Energy Institute, 61 New Cavendish St., London, WIG 7AR, U.K. www.energyinstpubs.org.uk


    ICS Code

    ICS Number Code 75.160.30 (Gaseous fuels)

    UNSPSC Code

    UNSPSC Code 15111510(Liquified petroleum gas)


    DOI: 10.1520/D2158-11

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