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 of Free Water in Gypsum Using a Moisture Balance | 17 |
Alternative Procedure for Analysis of Combined Water in Gypsum Using a Moisture Balance | 18 |
Alternative Procedure for Analysis for Calcium Sulfate by Ammonium Acetate Method | 19 |
Alternative Procedure for Analysis for Sodium Chloride by the Coulometric Method | 20 |
Determination of Sand in Set Plaster | 21 |
Wood-Fiber Content in Wood-Fiber Gypsum Plaster | 22 |
Optional Procedure for Analysis for Sodium by the Atomic Absorption Method |
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