ASTM D2010/D2010M-98(2004)

    Standard Test Methods for Evaluation of Total Sulfation Activity in the Atmosphere by the Lead Dioxide Technique


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    1. Scope

    1.1 These test methods describe the evaluation of the total sulfation activity in the atmosphere. Because of its oxidizing power, lead dioxide (PbO2) converts not only sulfur dioxide (SO2), but other compounds, such as mercaptans and hydrogen sulfide, into sulfate. It fixes sulfur trioxide and sulfuric acid mist present in the atmosphere (see Note 0).

    1.2 Test Method A describes the use of a PbO2 candle, and Test Method B describes that of a PbO2 sulfation plate.

    1.3 These test methods provide a weighted average effective SO2 level for a 30-day interval.

    1.4 The results of these test methods correlate approximately with volumetric SO2 concentrations, although the presence of dew or condensed moisture tends to enhance the capture of SO2 onto the candle or plate.

    1.5 The values stated in SI units shall be regarded as the standard. The values given in brackets are for information only and may be approximate.

    Note 0

    It has been shown that the rate constant of the chemical reaction between SO2 and PbO2 is independent of the concentration of SO2 up to levels of 1000 ppm(v), if 15 % or less of the PbO2 has been reduced (). 15 % of the PbO2 is equivalent to 11 to 12 mg of SO2/cm2 per day.

    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 precautionary statements, see Section .


    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

    D516 Test Method for Sulfate Ion in Water

    D1193 Specification for Reagent Water

    D1356 Terminology Relating to Sampling and Analysis of Atmospheres

    D1357 Practice for Planning the Sampling of the Ambient Atmosphere

    G91 Practice for Monitoring Atmospheric SO2 Deposition Rate for Atmospheric Corrosivity Evaluation


    ICS Code

    ICS Number Code 13.040.20 (Ambient atmospheres)

    UNSPSC Code

    UNSPSC Code 77121501(Air quality management)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/D2010_D2010M-98R04

    Citation Format

    ASTM D2010 / D2010M-98(2004), Standard Test Methods for Evaluation of Total Sulfation Activity in the Atmosphere by the Lead Dioxide Technique, ASTM International, West Conshohocken, PA, 2004, www.astm.org

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