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ASTM C471M-17ae1

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ASTM C471M-17ae1 Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)

standard by ASTM International, 10/01/2017

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

1.2The 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)

1.3The 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.

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

1.5This 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.

1.6This 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.

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Published: 10/01/2017 Number of Pages: 18File Size: 1 file , 220 KB