ASTM D3267 - 12

    Standard Test Method for Separation and Collection of Particulate and Water-Soluble Gaseous Fluorides in the Atmosphere (Filter and Impinger Method)

    Active Standard ASTM D3267 | Developed by Subcommittee: D22.03

    Book of Standards Volume: 11.07

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    Significance and Use

    This test method provides a means of separation and collection of particulate and water soluble gaseous fluoride and provides samples that are convenient to analyze.

    1. Scope

    1.1 This test method provides a procedure for separation and collection on a chemically treated filter and in an impinger of particulate and water-soluble gaseous fluoride in the atmosphere. The sampling rate may vary from 30 L/min (1.0 ft3/min) to 15 L/min (0.5 ft3/min) for longer sampling periods depending on the atmospheric fluoride concentration. This test method is not intended to be applied to gaseous fluorine compounds that are not water-soluble

    1.2 There are several limitations of the test method:

    1.2.1 Although the acid-treated, medium retentive, prefilter has been shown to allow passage of HF, it will restrict passage of particulate matter only as small as about 1 μm. Thus, smaller particulate matter may pass through the filter and be collected in or pass through the impingers.

    1.2.2 The maximum sample volume to be taken using this test method prior to changing the acid-treated prefilter is recommended as 12 m3. This recommendation is made to minimize any effects due to particulate matter build-up.

    1.3 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

    1.4 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 7.2 and 7.4.6.

    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

    D1071 Test Methods for Volumetric Measurement of Gaseous Fuel Samples

    D1193 Specification for Reagent Water

    D1356 Terminology Relating to Sampling and Analysis of Atmospheres

    D1357 Practice for Planning the Sampling of the Ambient Atmosphere

    D2009 Practice for Collection by Filtration and Determination of Mass, Number, and Optical Sizing of Atmospheric Particulates

    D3268 Test Method for Separation and Collection of Particulate and Gaseous Fluorides in the Atmosphere (Sodium Bicarbonate-Coated Glass Tube and Particulate Filter Method)

    D3269 Test Methods for Analysis for Fluoride Content of the Atmosphere and Plant Tissues (Manual Procedures)

    D3270 Test Methods for Analysis for Fluoride Content of the Atmosphere and Plant Tissues (Semiautomated Method)

    E337 Test Method for Measuring Humidity with a Psychrometer (the Measurement of Wet- and Dry-Bulb Temperatures)

    ICS Code

    ICS Number Code 13.040.20 (Ambient atmospheres)

    UNSPSC Code

    UNSPSC Code 77121500(Air pollution)

    DOI: 10.1520/D3267-12

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