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Full Description

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

17

 

     Gypsum Using a Moisture Balance

 

 

Alternative Procedure for Analysis of Combined Water in

18

 

     Gypsum Using a Moisture Balance

 

 

Alternative Procedure for Analysis for Calcium Sulfate by

19

 

     Ammonium Acetate Method

 

 

Alternative Procedure for Analysis for Sodium Chloride by

20

 

     the Coulometric Method

 

 

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

23

 

     Absorption Method

 

 

Optional Procedure for Analysis for Sodium by Flame

24

 

     Photometry

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

25

 

     Ggypsum Panel Products-General Provisions

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

26

 

     Gypsum Panel Products by Gas Chromatograph

 

 

     Equipped with a Mass Spectrometer (GS/MS)

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

27

 

     Gypsum Panel Products by Gas Chromatograph

 

 

     Equipped with an Electron Capture Detector (GC/ECD)

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

28

 

     Gypsum Panel Products by High-performance Liquid

 

 

     Chromatograph Equipped with and Ultraviolet Detector

 

 

     (HPLC/UV)

 

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.

 

Document History

  1. ASTM C471M-20


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

    • Most Recent
  2. ASTM C471M-17ae1


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

    • Historical Version
  3. ASTM C471M-17a


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

    • Historical Version
  4. ASTM C471M-17e1


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

    • Historical Version
  5. ASTM C471M-17


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

    • Historical Version
  6. ASTM C471M-16a

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

    • Historical Version
  7. ASTM C471M-16


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

    • Historical Version
  8. ASTM C471M-14


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

    • Historical Version
  9. ASTM C471M-13


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

    • Historical Version
  10. ASTM C471M-01(2012)


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

    • Historical Version
  11. ASTM C471M-01(2006)e1


    Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products [Metric]

    • Historical Version
  12. ASTM C471M-01


    Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products [Metric]

    • Historical Version
  13. ASTM C471M-96


    Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products [Metric]

    • Historical Version