ASTM C471M-20ae1

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

ASTM International , 12/01/2020

Publisher: ASTM

File Format: PDF

$41.00$83.00

Description

Standard By:ASTM International , 12/01/2020

Published:12/01/2020

Pages:18

File Size:1 file , 220 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

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.

1.2These 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)

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

1.4These 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.

1.5This 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.