ASTM E2914 - 14

    Standard Practice for Ultrasonic Extraction of Lead from Composited Wipe Samples

    Active Standard ASTM E2914 | Developed by Subcommittee: E06.23

    Book of Standards Volume: 04.12

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    Significance and Use

    5.1 This practice is for use in the preparation of no more than four wipe samples combined to form a composited sample for subsequent determination of lead content.

    5.2 This practice assumes use of wipes that meet Specification E1792 and should not be used unless the wipes meet Specification E1792.

    5.3 This practice is capable of preparing samples for determination of lead bound within paint dust.

    5.4 This practice may not be capable of preparing samples for determination of lead bound within silica or silicate matrices, or within matrices not soluble in nitric acid.

    5.5 Adjustment of the nitric acid concentration or acid strength, or both, of the final extract solution may be necessary for compatibility with the instrumental analysis method to be used for lead quantification.

    5.6 This sample preparation practice has not been validated for use and must be validated by the user prior to using the practice for client samples.

    Note 2Each combination of wipes (two wipes, three wipes, and four wipes) constitutes a different matrix and must be separately validated.

    1. Scope

    1.1 This practice covers the extraction of lead (Pb) using ultrasonication, heat and nitric acid from a composited sample of up to four individual wipe samples of settled dust collected from the same space.

    1.2 This practice contains notes which are explanatory and not part of mandatory requirements of the practice.

    1.3 This practice should be used by analysts experienced in digestion techniques such as hot blocks. Like all procedures used in an analytical laboratory, this practice needs to be validated for use and shown to produce acceptable results before being applied to client samples.

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

    1.4.1 Exception—Inch-pound units are provided in Note 6 and Note 8 for information.

    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.

    Other Document

    40 CFR Part 745 Lead-Based Paint Poisoning Prevention in Certain Residential Structures

    ICS Code

    ICS Number Code 13.040.99 (Other standards related to air quality); 71.040.50 (Physicochemical methods of analysis)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E2914-14

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    Citation Format

    ASTM E2914-14, Standard Practice for Ultrasonic Extraction of Lead from Composited Wipe Samples, ASTM International, West Conshohocken, PA, 2014,

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