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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.
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:
Preparation of Sample
5 – 16
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
30 – 36
Wood-Fiber Content in Wood-Fiber Gypsum Plaster
37 – 39
Optional Procedure for Analysis for Sodium by the Atomic Absorption Method
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
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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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 Keenes Cement
C317/C317M Specification for Gypsum Concrete
C778 Specification for Sand
C842 Specification for Application of Interior Gypsum Plaster
D1193 Specification for Reagent Water
D1428 Test Method for Test for Sodium and Potassium In Water and Water-Formed Deposits by Flame Photometry
D2013 Practice for Preparing Coal Samples for Analysis
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)
UNSPSC Code 11111601(Gypsum)
ASTM C471M-13, Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric), ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top