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  • ASTM E 826 : 2014

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    Standard Practice for Testing Homogeneity of a Metal Lot or Batch in Solid Form by Spark Atomic Emission Spectrometry

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-04-2014

    Publisher:  American Society for Testing and Materials

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    Abstract - (Show below) - (Hide below)

    1.1 This practice is suitable for testing the homogeneity of a metal lot or batch (L/B) in solid form by spark atomic emission spectrometry (Spark-AES).

    Scope - (Show below) - (Hide below)

    1.1This practice is suitable for testing the homogeneity of a metal lot or batch (L/B) in solid form by spark atomic emission spectrometry (Spark-AES). It is compliant with ISO Guide 35—Certification of Reference Materials: General and Statistical Principles. It is primarily intended for use in the development of reference materials but may be used in any other application where a L/B is to be tested for homogeneity. It is designed to provide a combined study of within-unit and between-unit homogeneity of such a L/B.

    1.2This practice is designed primarily to test for elemental homogeneity of a metal L/B by Spark-AES. However, it can be adapted for use with other instrumental techniques such as X-ray fluorescence spectrometry (XRF) or atomic absorption spectrometry (AAS).

    Note 1This practice is not limited to elemental analysis or techniques. This practice can be applied to any property that can be measured, for example, the property of hardness as measured by the Rockwell technique.

    1.3The criteria for acceptance of the test specimens must be previously determined. That is, the maximum acceptable level of heterogeneity must be determined on the basis of the intended use of the L/B.

    1.4It is assumed that the analyst is trained in Spark-AES techniques including the specimen preparation procedures needed to make specimens ready for measurements. It is further assumed that the analyst is versed in and has access to computer-based data capture and analysis. The methodology of this practice is best utilized in a computer based spreadsheet.

    1.5This practice can be applied to one or more elements in a specimen provided the signal-to-background ratio is not a limiting factor.

    1.6This practice includes methods to correct for systematic drift of the instrument with time. (Warning—If drift occurs, erroneous conclusions will be obtained from the data analysis.)

    1.7This practice also includes methods to refine estimates of composition and uncertainty through the use of a type standard or multiple calibrants.

    1.8It further provides a means of reducing a nonhomogeneous set to a homogeneous subset.

    1.9This 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.

    General Product Information - (Show below) - (Hide below)

    Committee E 01
    Document Type Standard Practice
    Publisher American Society for Testing and Materials
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM E 177 : 1990 : REV A : R1996 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
    ASTM E 135 : 2021 : REV A Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
    ASTM E 716 : 2016 : R2021 Standard Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of Chemical Composition by Spark Atomic Emission Spectrometry
    ASTM E 1329 : 2000 : R2005 Standard Practice for Verification and Use of Control Charts in Spectrochemical Analysis
    ASTM E 178 : 2016 : REV A Standard Practice for Dealing With Outlying Observations
    ASTM E 1806 : 1996 : R2006 Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition
    ASTM E 716 : 2016 Standard Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of Chemical Composition by Spark Atomic Emission Spectrometry
    ASTM E 178 : 2021 Standard Practice for Dealing With Outlying Observations
    ASTM E 135 : 2003 : REV B Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
    ASTM E 1601 : 2019 Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
    ASTM E 178 : 2000 Standard Practice for Dealing With Outlying Observations
    ASTM E 1601 : 1998 Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
    ASTM E 1601 : 2010 Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
    ASTM E 1329 : 2010 Standard Practice for Verification and Use of Control Charts in Spectrochemical Analysis (Withdrawn 2019)
    ASTM E 1806 : 2009 : R2016 Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition
    ASTM E 178 : 1994 Standard Practice for Dealing With Outlying Observations
    ASTM E 1329 : 2000 Standard Practice for Verification and Use of Control Charts in Spectrochemical Analysis
    ASTM E 135 : 2002 : REV A Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
    ASTM E 1601 : 2012 Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
    ASTM E 135 : 2021 Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
    ASTM E 1806 : 2018 Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition
    ASTM E 135 : 2003 Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
    ASTM E 135 : 2003 : REV C Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
    ASTM E 1806 : 1996 Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition
    ASTM E 716 : 2016 : R2021 : EDT 1 Standard Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of Chemical Composition by Spark Atomic Emission Spectrometry
    ASTM E 135 : 2020 : REV B Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
    ASTM E 1806 : 1996 : R2001 Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition
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