ASTM C471M-01

Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products [Metric]

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:SectionsAlternative Procedure for Analysis for Calcium Sulfate by Ammonium Acetate Method17-22 Alternative Procedure for Analysis for Sodium Chloride by the Coulometric Method23-29 Complete Procedure5-6Determination of Sand in Set Plaster30-36Optional Procedure for Analysis for Sodium by Flame Photometry47-54Optional Procedure for Analysis for Sodium by the Atomic Absorption Method40-46 Preparation of Sample4Wood-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.

General Information

• Status: Historical
• Publication Date: 09-Dec-2001
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C11 - Gypsum and Related Building Materials and Systems
• Drafting Committee: C11.01 - Specifications and Test Methods for Gypsum Products

Relations

• Replaces: ASTM C471M-96 - Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products [Metric]
• Effective Date: 10-Dec-2001
• Replaced By: ASTM C471M-01(2006)e1 - Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products [Metric]
• Effective Date: 01-Dec-2006
• Referred By: ASTM E3355-23 - Standard Guide for Characterization of Coal Combustion Products (CCPs) in Storage Area(s) for Beneficial Use
• Effective Date: 10-Dec-2001
• Referred By: ASTM D8155-17 - Standard Practice for Shake Extraction of Solid Mining and Metallurgical Processing Waste with Water
• Effective Date: 10-Dec-2001
• Referred By: ASTM C563-20 - Standard Guide for Approximation of Optimum SO<inf>3</inf> in Hydraulic Cement
• Effective Date: 10-Dec-2001
• Referred By: ASTM C452-21 - Standard Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate
• Effective Date: 10-Dec-2001
• Referred By: ASTM C1396/C1396M-17 - Standard Specification for Gypsum Board
• Effective Date: 10-Dec-2001
• Referred By: ASTM C35-01(2019) - Standard Specification for Inorganic Aggregates for Use in Gypsum Plaster
• Effective Date: 10-Dec-2001
• Referred By: ASTM C61/C61M-00(2020) - Standard Specification for Gypsum Keene's Cement
• Effective Date: 10-Dec-2001
• Referred By: ASTM C59/C59M-00(2020) - Standard Specification for Gypsum Casting Plaster and Gypsum Molding Plaster
• Effective Date: 10-Dec-2001
• Referred By: ASTM D3987-12(2020) - Standard Practice for Shake Extraction of Solid Waste with Water
• Effective Date: 10-Dec-2001
• Referred By: ASTM C28/C28M-10(2020) - Standard Specification for Gypsum Plasters
• Effective Date: 10-Dec-2001
• Referred By: ASTM C22/C22M-00(2021) - Standard Specification for Gypsum
• Effective Date: 10-Dec-2001

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C471M–01
METRIC
Standard Test Methods for
Chemical Analysis of Gypsum and Gypsum Products
1
[Metric]
This standard is issued under the fixed designation C 471M; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
2
1. Scope * C 22/C 22M Specification for Gypsum
2
C 28 Specification for Gypsum Plasters
1.1 These test methods cover the chemical analysis of
C 59 Specification for Gypsum Casting and Molding Plas-
gypsum and gypsum products, including gypsum ready-mixed
2
ter
plaster, gypsum wood-fibered plaster and gypsum concrete.
2
C 61 Specification for Gypsum Keene’s Cement
NOTE 1—Gypsum reference standard materials, prepared by Domtar, 2
C 317 Specification for Gypsum Concrete
Inc are available through Brammer Standards Company, Inc.
C 842 Specification for Application of Interior Gypsum
2
1.2 The test methods appear in the following order:
Plaster
3
Sections
D 1193 Specification for Reagent Water
Alternative Procedure for Analysis for Calcium Sulfate by Ammonium
D 1428 MethodsofTestforSodiumandPotassiuminWater
Acetate Method 17-22
3
and Water-Formed Deposits by Flame Photometry
Alternative Procedure for Analysis for Sodium Chloride by the Coulo-
4
metric Method 23-29
D 2013 Method of Preparing Coal Samples for Analysis
Complete Procedure 5-16
E 11 Specification for Wire-Cloth and Sieves for Testing
Determination of Sand in Set Plaster 30-36
5
Purposes
Optional Procedure for Analysis for Sodium by Flame Photometry 47-54
Optional Procedure for Analysis for Sodium by the Atomic Absorp-
tion Method 40-46
3. Terminology
Preparation of Sample 4
3.1 Definitions—Definitions shall be in accordance with
Wood-Fiber Content in Wood-Fiber Gypsum Plaster 37-39
Terminology C 11.
1.3 The text of this standard references notes and footnotes
3.2 Definitions of Terms Specific to This Standard:
that provide explanatory material. These notes and footnotes
3.2.1 sample as received, n—a representative portion of raw
(excluding those in tables and figures) shall not be considered
gypsum or gypsum product in the state received by the testing
as requirements of the standard.
laboratory, including aggregates, impurities and water content.
1.4 The values stated in SI units are to be regarded as the
3.2.2 dried sample, n—a sample devoid of free water.
standard.
3.2.3 riffle, n—a hand feed sample divider device that
1.5 This standard does not purport to address all of the
divides the sample into parts of approximately the same
safety concerns, if any, associated with its use. It is the
weight. (D 2013)
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
4. Preparation of Sample
bility of regulatory limitations prior to use.
4.1 General Procedures—Details of sample preparation
will vary according to the type of material being tested.
2. Referenced Documents
4.1.1 Sample As Received—Use a sufficient amount of
2.1 ASTM Standards:
sample such that, after sieving, not less than 50 g of sample
C 11 Terminology Relating to Gypsum and Related Gyp-
will remain for testing. Weigh the entire sample immediately
2
sum Building Materials and Systems
after opening the container in which the material was received.
This will become the weight of the sample as received.
4.1.2 Drying—Dry the sample in accordance with Section
1
These test methods are under the jurisdiction of ASTM Committee C11 on
7. This will be the weight of the dried sample.
Gypsum and Related Building Materials and Systems and are the direct responsi-
bility of Subcommittee C11.01 on Specifications and Test Methods for Gypsum
Products.
3
Current edition approved Dec. 10, 2001. Published February 2002. Originally Annual Book of ASTM Standards, Vol 11.01.
4
published as C 471 – 61. Last previous edition C 471 – 96. Annual Book of ASTM Standards, Vol 05.05.
2 5
Annual Book of ASTM Standards, Vol 04.01. Annual Book of ASTM Standards, Vol 14.02.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C471M
4.1.3 Crushing and Grinding—Crush and grind the sample COMPLETE PROCEDURE
by hand with a mortar and pestle or by mechanical crushing
5. Apparatus
and grinding equipment to pass a 250-µm (No. 60) sieve. Take
5.1 Analytical Balance—Capable of weighing the weighing
care,particularlywithmechanicalequipment,nottoexposethe
bottles, lids and samples.
sample to temperatures of more than 52°C. Clean the equip-
5.2 Balance—Capable of wei
...