ASTM C471M-13
(Test Method)Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)
Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)
SIGNIFICANCE AND USE
17.1 This test method covers the determination of calcium sulfate in gypsum and gypsum products by extraction with ammonium acetate solution.
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 The test methods appear in the following order:
Sections
Preparation of Sample
4
Complete Procedure
5 – 16
Alternative Procedure for Analysis for Calcium Sulfate by Ammonium Acetate Method
17 – 22
Alternative Procedure for Analysis for Sodium Chloride by the Coulometric Method
23 – 29
Determination of Sand in Set Plaster
30 – 36
Wood-Fiber Content in Wood-Fiber Gypsum Plaster
37 – 39
Optional Procedure for Analysis for Sodium by the Atomic Absorption Method
40 – 46
Optional Procedure for Analysis for Sodium by Flame Photometry
47 – 54
Determination of Sulfur (S8) in Gypsum Panel Products by Liquid Extraction for Analysis by Liquid or Gas Chromatography
55–65
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.
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Designation: C471M − 13
StandardTest Methods for
Chemical Analysis of Gypsum and Gypsum Products
1
(Metric)
This standard is issued under the fixed designation C471M; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 These test methods cover the chemical analysis of
C11Terminology Relating to Gypsum and Related Building
gypsum and gypsum panel products, including gypsum ready-
Materials and Systems
mixed plaster, gypsum wood-fibered plaster, and gypsum
C22/C22MSpecification for Gypsum
concrete.
C28/C28MSpecification for Gypsum Plasters
1.2 The test methods appear in the following order:
C59Specification for Gypsum Casting Plaster and Gypsum
Sections Molding Plaster
Preparation of Sample 4
C61Specification for Gypsum Keene’s Cement
Complete Procedure 5–16
C317/C317MSpecification for Gypsum Concrete
Alternative Procedure for Analysis for
Calcium Sulfate by Ammonium Acetate 17–22
C778Specification for Sand
Method
C842Specification forApplication of Interior Gypsum Plas-
Alternative Procedure for Analysis for
ter
Sodium Chloride by the Coulometric 23–29
Method
D1193Specification for Reagent Water
Determination of Sand in Set Plaster 30–36
D1428Test Method for Test for Sodium and Potassium In
Wood-Fiber Content in Wood-Fiber Gyp- 37–39
Water and Water-Formed Deposits by Flame Photometry
sum Plaster
3
Optional Procedure for Analysis for So-
(Withdrawn 1989)
dium by the Atomic Absorption Method 40–46
D2013Practice for Preparing Coal Samples for Analysis
Optional Procedure for Analysis for So- 47–54
E11Specification forWovenWireTest Sieve Cloth andTest
dium by Flame Photometry
Determination of Sulfur (S ) in Gypsum 55–65
8 Sieves
Panel Products by Liquid Extraction for
Analysis by Liquid or Gas Chromatog-
3. Terminology
raphy
3.1 Definitions—Definitions shall be in accordance with
1.3 The text of this standard references notes and footnotes
Terminology C11.
that provide explanatory material. These notes and footnotes
3.2 Definitions of Terms Specific to This Standard:
(excluding those in tables and figures) shall not be considered
3.2.1 calibration standard, n—a chemical mixture contain-
as requirements of the standard.
ingaknownquantityoftheanalyteusedtorelatethemeasured
1.4 The values stated in SI units are to be regarded as the
analytical signal to the concentration of the analyte.
standard.
3.2.2 dried sample, n—a sample devoid of free water.
1.5 This standard does not purport to address all of the
3.2.3 internal standard, n—a chemical used in the quantifi-
safety concerns, if any, associated with its use. It is the
cationofS bymonitoringandadjustingforminorvariancesin
8
responsibility of the user of this standard to establish appro-
instrument performance.
priate safety and health practices and determine the applica-
3.2.4 riffle, n—a hand feed sample divider device that
bility of regulatory limitations prior to use.
divides the sample into parts of approximately the same
weight. (D2013)
1
These test methods are under the jurisdiction of ASTM Committee C11 on
2
Gypsum and Related Building Materials and Systems and are the direct responsi- For referenced ASTM standards, visit the ASTM website, www.astm.org, or
bility of Subcommittee C11.01 on Specifications and Test Methods for Gypsum contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Products. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Dec. 1, 2013. Published January 2014. Originally the ASTM website.
3
approved in 1961. Last previous edition approved in 2012 as C471 – 01 The last approved version of this historical standard is referenced on
(Reapproved 2012). DOI: 10.1520/C0471M-13. www.astm.org.
*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
1
---------------------- Page: 1 ----------------------
C471M − 13
3.2.5 sample as received, n—arepresentativeportionofraw 4.5 Gypsum Keene’s Cement,(C61)—Reduce the dried
gypsum or gypsum product in the state received by the testing sample in accordance with 4.1.5. Blend in no more than 1%
laboratory, including aggregates, impurities and water content. molding plaster or K SO and rehydrate the specimen in
2 4
accordance with 4.1.4.
3.2.6 surrogatestandard,,n—achemicalusedtoaccountfor
extraction efficiency of S .
4.6 Gypsum Concrete,(C317/C317M)—Screen the dried
8
4
sample through a 150-µm (No. 100) sieve and discard the
4. Preparation of Sample
residue re
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C471M − 01 (Reapproved 2012) C471M − 13
Standard Test Methods for
Chemical Analysis of Gypsum and Gypsum Products
1
(Metric)
This standard is issued under the fixed designation C471M; 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 (´) indicates an editorial change since the last revision or reapproval.
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 The test methods appear in the following order:
colwidth="127.98pt"/COLSPEC
Sections
Preparation of Sample 4
Complete Procedure 5 – 16
Alternative Procedure for Analysis for Calcium Sulfate by Ammonium Acetate Method
17 – 22
Alternative Procedure for Analysis for Sodium Chloride by the Coulometric Method
23 – 29
Complete Procedure 5 – 16
Determination of Sand in Set Plaster 30 – 36
Optional Procedure for Analysis for Sodium by Flame Photometry 47 – 54
Wood-Fiber Content in Wood-Fiber Gypsum Plaster 37 – 39
Optional Procedure for Analysis for Sodium by the Atomic Absorption Method
40 – 46
Preparation of Sample 4
Optional Procedure for Analysis for Sodium by Flame Photometry 47 – 54
Wood-Fiber Content in Wood-Fiber Gypsum Plaster 37 – 39
Determination of Sulfur (S ) in Gypsum Panel Products by Liquid Extraction for Analysis by Liquid or Gas Chromatography 55–65
8
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.
2. Referenced Documents
2
2.1 ASTM Standards:
C11 Terminology Relating to Gypsum and Related Building Materials and Systems
C22/C22M Specification for Gypsum
C28/C28M Specification for Gypsum Plasters
C59 Specification for Gypsum Casting Plaster and Gypsum Molding Plaster
C61 Specification for Gypsum Keene’s Cement
C317/C317M Specification for Gypsum Concrete
C778 Specification for Sand
C842 Specification for Application of Interior Gypsum Plaster
D1193 Specification for Reagent Water
1
These test methods are under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and are the direct responsibility of
Subcommittee C11.01 on Specifications and Test Methods for Gypsum Products.
Current edition approved June 1, 2012Dec. 1, 2013. Published July 2012January 2014. Originally approved in 1961. Last previous edition approved in 20062012 as C471
ε1
– 01 (2006)(Reapproved . 2012). DOI: 10.1520/C0471M-01R12.10.1520/C0471M-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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
1
---------------------- Page: 1 ----------------------
C471M − 13
D1428 Test Method for Test for Sodium and Potassium In Water and Water-Formed Deposits by Flame Photometry (Withdrawn
3
1989)
D2013 Practice for Preparing Coal Samples for Analysis
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
3. Terminology
3.1 Definitions—Definitions shall be in accordance with Terminology C11.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 calibration standard, n—a chemical mixture containing a known quantity of the analyte used to relate the measured
analytical signal to the concentration of the analyte.
3.2.2 dried sample, n—a sample devoid of free water.
3.2.3 internal standard, n—a chemical used in the quantification of S by monitoring and adjusting for minor variances in
8
instrument performance.
3.2.4 riffle, n—a hand feed sample divider device that divides the sample into parts of approximately the same weight. (D2013)
3.2.5 sample as received, n—a representative portion of raw gypsum or gypsum pro
...
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