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  • ASTM
    C471M-24 Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric) (Redline)
    Edition: 2024
    $113.57
    Unlimited Users per year

Description of ASTM-C471M 2024

ASTM C471M-24

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




ASTM C471M

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 These test methods appear in the following order:

 

 

Sections

 

Preparation of Sample

4

 

Complete Procedure

5 – 16

 

Alternative Procedure for Analysis of Free Water in

17

 

     Gypsum Using a Moisture Balance

 

 

Alternative Procedure for Analysis of Combined Water in

18

 

     Gypsum Using a Moisture Balance

 

 

Alternative Procedure for Analysis of Organic Material

20

 

     and Carbon Dioxide in Gypsum by High Temperature

 

 

     Weight Loss

 

 

Alternative Procedure for Analysis for Calcium Sulfate by

21

 

     Ammonium Acetate Method

 

 

Alternative Procedure for Analysis for Sodium Chloride by

22

 

     the Coulometric Method

 

 

Determination of Sand in Set Plaster

23

 

Wood-fiber Content in Wood-fiber Gypsum Plaster

24

 

Optional Procedure for Analysis for Sodium by the Atomic

25

 

     Absorption Method

 

 

Optional Procedure for Analysis for Sodium by Flame

26

 

     Photometry

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

27

 

     Ggypsum Panel Products—General Provisions

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

28

 

     Gypsum Panel Products by Gas Chromatograph

 

 

     Equipped with a Mass Spectrometer (GS/MS)

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

29

 

     Gypsum Panel Products by Gas Chromatograph

 

 

     Equipped with an Electron Capture Detector (GC/ECD)

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

30

 

     Gypsum Panel Products by High-performance Liquid

 

 

     Chromatograph Equipped with and Ultraviolet Detector

 

 

     (HPLC/UV)

 

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in these test methods.

1.4 These text of this test method 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.

1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


Keywords

ammonium acetate method; atomic absorption; chemical analysis; coulometric method; flame photometry; gas chromatography/electron capture detector; gas chromatography/mass spectrometry; gypsum; gypsum board; gypsum concrete; gypsum products; high-performance liquid chromatography/UV detector; plaster; sand in set plaster; sulfur (S8); wood-fiber plaster ;


ICS Code

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


DOI: 10.1520/C0471M-24

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