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    ASTM D7026-13

    Standard Guide for Sampling and Reporting of Results for Determination of Biobased Content of Materials via Carbon Isotope Analysis (Withdrawn 2020)
    • 발행일 : 2013-04-01 (2020-10-05 폐지)
    • 발행기관 : ASTM
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분야 08.03 : 플라스틱 (Ⅲ)
적용범위

1.1 This guide provides a framework for collecting and handling samples for determination of biobased content of materials by means of the carbon isotope method described in Test Methods D6866. Tests for sampling adequacy based on the standard statistical tools are provided. In addition, reporting of the results, including sampling techniques and handling procedures and chain-of-custody issues are discussed.

1.2 This guide is concerned with collecting representative samples within a given material or a lot, not with lot-to-lot variations such as considered in quality control schemes.

1.3 Biobased materials often represent sampling problems specific to a given material, such as heterogeneity, and so forth, which require employment of material-specific sampling methods. The use of specialized sampling methods already accepted and validated by industries that manufacture and/or use the biomaterial is encouraged. However, all sampling techniques, especially non-standard techniques developed for specific materials must be reported in sufficient detail to allow critical assessment of the techniques used.

1.4 Carbon isotope analysis involves thermal processing in presence of oxidants. Compatibility of any given material with Test Methods D6866 must be assessed. Special attention must be given to materials with potential for explosion hazards, such as peroxides, nitrated compounds, azides, and so forth. Examples of peroxide-forming compounds are ethers, some ketones and a number of other compounds.

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

1.6 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 requirements prior to use.

Note 1—There is no known ISO equivalent to this standard.
국제분류(ICS)코드 19.100 : 비파괴 시험 및 기구
페이지수 4
Edition 13

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM D7026-13상세보기 Standard Guide for Sampling and Reporting of Results for Determination of Biobased Content of Materials via Carbon Isotope Analysis (Withdrawn 2020) 2013-04-01 폐지
2 ASTM D7026-04상세보기 Standard Guide for Sampling and Reporting of Results for Determination of Biobased Content of Materials via Carbon Isotope Analysis (Withdrawn 2013) 2004-05-01 구판

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