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ASTM C471M-20ae1

Historical Revision

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

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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

19

 

     and Carbon Dioxide in Gypsum by High Temperature

 

 

     Weight Loss

 

 

Alternative Procedure for Analysis for Calcium Sulfate by

20

 

     Ammonium Acetate Method

 

 

Alternative Procedure for Analysis for Sodium Chloride by

21

 

     the Coulometric Method

 

 

Determination of Sand in Set Plaster

22

 

Wood-fiber Content in Wood-fiber Gypsum Plaster

23

 

Optional Procedure for Analysis for Sodium by the Atomic

24

 

     Absorption Method

 

 

Optional Procedure for Analysis for Sodium by Flame

25

 

     Photometry

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

26

 

     Ggypsum Panel Products—General Provisions

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

27

 

     Gypsum Panel Products by Gas Chromatograph

 

 

     Equipped with a Mass Spectrometer (GS/MS)

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

28

 

     Gypsum Panel Products by Gas Chromatograph

 

 

     Equipped with an Electron Capture Detector (GC/ECD)

 

 

Determination of Orthorhombic Cyclooctasulfur (S8) in

29

 

     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.


SDO ASTM: ASTM International
Document Number C471
Publication Date Dec. 1, 2020
Language en - English
Page Count 18
Revision Level 20ae1
Supercedes
Committee C11.01
Publish Date Document Id Type View
April 1, 2024 C0471M-24 Revision
Dec. 1, 2020 C0471M-20AE01 Revision
Dec. 1, 2020 C0471M-20A Revision
Oct. 1, 2020 C0471M-20 Revision
Oct. 1, 2017 C0471M-17AE01 Revision
Oct. 1, 2017 C0471M-17A Revision
June 1, 2017 C0471M-17E01 Revision
June 1, 2017 C0471M-17 Revision
June 15, 2016 C0471M-16A Revision
Jan. 1, 2016 C0471M-16 Revision
Nov. 1, 2014 C0471M-14 Revision
Dec. 1, 2013 C0471M-13 Revision
Dec. 10, 2001 C0471M-96 Revision
Dec. 10, 2001 C0471M-01 Revision
June 1, 2012 C0471M-01R12 Reaffirmation
Dec. 1, 2006 C0471M-01R06E01 Reaffirmation