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    ASTM C471M - 16

    Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)

    Active Standard ASTM C471M | Developed by Subcommittee: C11.01

    Book of Standards Volume: 04.01


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    1. Scope

    1.1 These test methods cover the chemical analysis of gypsum and gypsum panel products, including gypsum ready-mixed plaster, gypsum wood-fibered plaster, and gypsum concrete.

    1.2 The test methods appear in the following order:

     

    Sections

    Preparation of Sample

    4

    Complete Procedure

    5 – 16

    Alternative Procedure for Analysis of Free Water in Gypsum Using a Moisture Balance

    17

    Alternative Procedure for Analysis of Combined Water in Gypsum Using a Moisture Balance

    18

    Alternative Procedure for Analysis for Calcium Sulfate by Ammonium Acetate Method

    19

    Alternative Procedure for Analysis for Sodium Chloride by the Coulometric Method

    20

    Determination of Sand in Set Plaster

    21

    Wood-Fiber Content in Wood-Fiber Gypsum Plaster

    22

    Optional Procedure for Analysis for Sodium by the Atomic Absorption Method

    23

    Optional Procedure for Analysis for Sodium by Flame Photometry

    24

    Determination of Orthorhombic Cyclooctasulfur (S8) in Ggypsum Panel Products—General Provisions

    25

    Determination of Orthorhombic Cyclooctasulfur (S8) in Gypsum Panel Products by Gas Chromatograph Equipped with a Mass Spectrometer (GS/MS)

    26

    Determination of Orthorhombic Cyclooctasulfur (S8) in Gypsum Panel Products by Gas Chromatograph Equipped with an Electron Capture Detector (GC/ECD)

    27

    Determination of Orthorhombic Cyclooctasulfur (S8) in Gypsum Panel Products by High-performance Liquid Chromatograph Equipped with and Ultraviolet Detector (HPLC/UV)

    28

    1.3 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

    1.4 The values stated in SI units are to be regarded as the standard.

    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.

    ASTM Standards

    C11 Terminology Relating to Gypsum and Related Building Materials and Systems

    C22/C22M Specification for Gypsum

    C28/C28M Specification for Gypsum Plasters

    C59 Specification for Gypsum Casting Plaster and Gypsum Molding Plaster

    C61 Specification for Gypsum Keenes Cement

    C317/C317M Specification for Gypsum Concrete

    C778 Specification for Sand

    C842 Specification for Application of Interior Gypsum Plaster

    D1193 Specification for Reagent Water

    D1428 Test Method for Test for Sodium and Potassium In Water and Water-Formed Deposits by Flame Photometry

    D2013 Practice for Preparing Coal Samples for Analysis

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves


    ICS Code

    ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

    UNSPSC Code

    UNSPSC Code 11111601(Gypsum)


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

    DOI: 10.1520/C0471M-16

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C471M-16, Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric), ASTM International, West Conshohocken, PA, 2016, www.astm.org

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