ASTM-C471M Historical Revision Information
Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)

ASTM-C471M - 2020 EDITION - SUPERSEDED
Show Complete Document History

Document Center Inc. is an authorized dealer of ASTM standards.
The following bibliographic material is provided to assist you with your purchasing decision:

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

Scope

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

Note 1—Gypsum reference standard materials, prepared by Domtar, Inc are available through Brammer Standards Company, Inc.

1.2 The test methods appear in the following order:

Sections
Alternative Procedure for Analysis for Calcium Sulfate by Ammonium Acetate Method17-22
Alternative Procedure for Analysis for Sodium Chloride by the Coulometric Method23-29
Complete Procedure5-6
Determination of Sand in Set Plaster30-36
Optional Procedure for Analysis for Sodium by Flame Photometry47-54
Optional Procedure for Analysis for Sodium by the Atomic Absorption Method40-46
Preparation of Sample4
Wood-Fiber Content in Wood-Fiber Gypsum Plaster37-39

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.

Keywords

ammonium acetate method; atomic absorption; chemical analysis; coulometric method; flame photometry; gypsum; gypsum concrete; gypsum board; gypsum products; plaster; sand in set plaster; wood-fiber plaster; ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

To find similar documents by ASTM Volume:

04.01 (Cement; Lime; Gypsum)

To find similar documents by classification:

91.100.10 (Cement. Gypsum. Lime. Mortar)

This document comes with our free Notification Service, good for the life of the document.

This document is available in either Paper or PDF format.

Document Number

ASTM-C0471M-20

Revision Level

2020 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Oct. 23, 2020

Document Type

Test Method

Page Count

17 pages

Committee Number

C11.01