ASTM-C471M › Historical Revision Information
Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)
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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 | |
| 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 Orthorhombic Cyclooctasulfur (S8) in Ggypsum Panel Products—General Provisions | 55 |
| Determination of Orthorhombic Cyclooctasulfur (S8) in Gypsum Panel Products by Gas Chromatograph Equipped with a Mass Spectrometer (GS/MS) | 56 |
| Determination of Orthorhombic Cyclooctasulfur (S8) in Gypsum Panel Products by Gas Chromatograph Equipped with an Electron Capture Detector (GC/ECD) | 57 |
| Determination of Orthorhombic Cyclooctasulfur (S8) in Gypsum Panel Products by High-performance Liquid Chromatograph Equipped with and Ultraviolet Detector (HPLC/UV) | 58 |
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.
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.
Keywords
ammonium acetate method; atomic absorption; chemical analysis; coulometric method; flame photometry; gas chromatography/electron capture detector; gas chromatography/mass spectrometry; gypsum; gypsum concrete; gypsum board; gypsum products; high-performance liquid chromatography/UV detector; plaster; sand in set plaster; sulfur (S
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To find similar documents by classification:
91.100.10 (Cement. Gypsum. Lime. Mortar)
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Document Number
ASTM-C471M-14
Revision Level
2014 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Dec. 1, 2014
Document Type
Test Method
Page Count
15 pages
Committee Number
C11.01