ASTM D3348 - 12

    Standard Test Method for Rapid Field Test for Trace Lead in Unleaded Gasoline (Colorimetric Method)

    Active Standard ASTM D3348 | Developed by Subcommittee: D02.03

    Book of Standards Volume: 05.01


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    Significance and Use

    4.1 This test is used to determine trace quantities of lead in unleaded gasoline. Unwarranted amounts of lead may cause deposits in automotive pollution control equipment and poisoning of catalytic mufflers.

    1. Scope

    1.1 This test method covers and is intended for use in the field by nontechnical people for the quantitative measurement of lead in unleaded gasoline in the range from 0.01 to 0.10 g Pb/U.S. gal (2.64 to 26.4 mg Pb/L). This method applies to all commercial gasolines and responds to all types of lead alkyls as well as to other organic and inorganic forms of lead.

    Note 1This test method is based on the use of the Mobil Lead Test Kit (Fig. 1).
     Mobil Lead Test Kit
    FIG. 1 Mobil Lead Test Kit
    Note 2This test method is a screening test and is not to be used as a replacement for withdrawn Test Method D3116, withdrawn Test Method D3229, Test Method D3237, Test Method D3341, or Test Method D5059.

    1.2 The values stated in SI units are to be regarded as 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. For specific warning statements, see Section 7.


    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

    D3116 Test Method for Trace Amounts of Lead in Gasoline

    D3229 Test Method for Low Levels of Lead in Gasoline by X-Ray Spectrometry

    D3237 Test Method for Lead in Gasoline by Atomic Absorption Spectroscopy

    D3341 Test Method for Lead in Gasoline--Iodine Monochloride Method

    D5059 Test Methods for Lead in Gasoline by X-Ray Spectroscopy

    D6299 Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance

    D6792 Practice for Quality System in Petroleum Products and Lubricants Testing Laboratories


    ICS Code

    ICS Number Code 75.160.20 (Liquid fuels)

    UNSPSC Code

    UNSPSC Code 15101506(Gasoline or Petrol)


    DOI: 10.1520/D3348-12

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