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WITHDRAWN ASTM C471M-20ae1 1.12.2020 preview

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ASTM C471M-20ae1

Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric) (Includes all amendments And changes 4/5/2024).

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STANDARD published on 1.12.2020

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The information about the standard:

Designation standards: ASTM C471M-20ae1
Note: WITHDRAWN
Publication date standards: 1.12.2020
SKU: NS-1023952
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Cement. Gypsum. Lime. Mortar

Annotation of standard text ASTM C471M-20ae1 :

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

Additional information

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?These test methods appear in the following order:

Sections

Preparation of Sample

Complete Procedure

5 16

Alternative Procedure for Analysis of Free Water in

Gypsum Using a Moisture Balance

Alternative Procedure for Analysis of Combined Water in

Gypsum Using a Moisture Balance

Alternative Procedure for Analysis of Organic Material

and Carbon Dioxide in Gypsum by High Temperature

Weight Loss

Alternative Procedure for Analysis for Calcium Sulfate by

Ammonium Acetate Method

Alternative Procedure for Analysis for Sodium Chloride by

the Coulometric Method

Determination of Sand in Set Plaster

Wood-fiber Content in Wood-fiber Gypsum Plaster

Optional Procedure for Analysis for Sodium by the Atomic

Absorption Method

Optional Procedure for Analysis for Sodium by Flame

Photometry

Determination of Orthorhombic Cyclooctasulfur (S₈) in

Ggypsum Panel ProductsGeneral Provisions

Determination of Orthorhombic Cyclooctasulfur (S₈) in

Gypsum Panel Products by Gas Chromatograph

Equipped with a Mass Spectrometer (GS/MS)

Determination of Orthorhombic Cyclooctasulfur (S₈) in

Gypsum Panel Products by Gas Chromatograph

Equipped with an Electron Capture Detector (GC/ECD)

Determination of Orthorhombic Cyclooctasulfur (S₈) in

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.

2. Referenced Documents

C61-76	Standard Specification for Gypsum Keenes Cement
C317/C317M-00(2019)	Standard Specification for Gypsum Concrete
C778-21	Standard Specification for Standard Sand
C842-05(2021)	Standard Specification for Application of Interior Gypsum Plaster
D1193-06(2018)	Standard Specification for Reagent Water
C59	Specification for Gypsum Casting Plaster and Gypsum Molding Plaster
C28/C28M-10(2020)	Standard Specification for Gypsum Plasters
C22/C22M-00(2021)	Standard Specification for Gypsum
C11-23	Standard Terminology Relating to Gypsum and Related Building Materials and Systems
D1428-82	Methods of Test for Sodium and Potassium in Water and Water-Formed Deposits by Flame Photometry (Withdrawn 1988)
D2013-07	Standard Practice for Preparing Coal Samples for Analysis
E11-22	Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves

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