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    • SRM 2685c Bituminous Coal (Nominal Mass Fraction 5 % Sulfur)

    Metadata Updated: September 30, 2025

    This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques used in the analysis of coals and materials of a similar matrix. A unit of SRM 2685c consists of 50 g of bituminous coal ground to pass a 250 ?m (60 mesh) sieve, homogenized, and packaged in an amber glass bottle under an argon atmosphere, and sealed in an aluminized bag.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date November 12, 2020
    Metadata Updated Date September 30, 2025
    Data Update Frequency irregular

    Metadata Source

    Harvested from Commerce Non Spatial Data.json Harvest Source

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date September 30, 2025
    Publisher National Institute of Standards and Technology
    Maintainer
    Identifier 4765EE7CC5B9A396E0531A57068160031662
    Language en
    Data Last Modified 2017-01-05 00:00:00
    Category Standards:Reference materials
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 006:55
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id f4a164be-09b3-48d6-82c3-87be160be69c
    Harvest Source Id bce99b55-29c1-47be-b214-b8e71e9180b1
    Harvest Source Title Commerce Non Spatial Data.json Harvest Source
    Homepage URL https://data.nist.gov/od/id/4765EE7CC5B9A396E0531A57068160031662
    License https://www.nist.gov/open/license
    Program Code 006:052
    Source Datajson Identifier True
    Source Hash 0e6d4171b9bc98d007012584de9a7ac79d809a6c34be44742eee3034adb4f703
    Source Schema Version 1.1

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