ASTM D1412/D1412M
Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30 °C
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About This Item
ASTM D1412/D1412M is the ASTM standard for determining the equilibrium moisture of coal at 96 to 97 percent relative humidity and 30 °C. It provides a controlled test method for evaluating how coal reaches moisture balance under specified environmental conditions, which can be important for comparison, quality control, and technical documentation. As a defined laboratory procedure, ASTM D1412/D1412M helps users apply a consistent approach when moisture behavior needs to be measured and reported in a reliable way.
Overview of ASTM D1412/D1412M
The Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30 °C is used to measure the moisture condition coal attains under a tightly defined atmosphere and temperature. This makes the test useful when a consistent equilibrium moisture value is needed for evaluation or reporting. The designation includes both inch-pound and metric units, supporting broader technical use. ASTM D1412/D1412M is intended to help standardize laboratory practice around a specific coal moisture test.
Common use cases of ASTM D1412/D1412M
This standard is commonly used in coal testing laboratories, inspection workflows, and quality control programs where equilibrium moisture data is part of the evaluation process. It may support coal sampling and analysis activities, product characterization, and documentation for procurement or contract requirements. ASTM D1412/D1412M is especially relevant when a repeatable laboratory method is needed to compare coal behavior under the stated humidity and temperature conditions. It is a practical reference for testing teams that require a defined method rather than an informal moisture assessment.
Benefits of using ASTM D1412/D1412M
Using ASTM D1412/D1412M helps improve consistency in coal moisture testing by tying results to a recognized standard method. That can support compliance efforts, reduce ambiguity in laboratory reporting, and make comparisons between test results more dependable. It also helps organizations align testing procedures with a common technical reference, which can be valuable for quality control, purchasing decisions, and performance evaluation. For coal-related testing programs, a standard method can reduce risk from inconsistent practice and improve confidence in reported results.
- Coal equilibrium moisture testing
- Controlled humidity and temperature conditions
- Laboratory reporting and comparison
- Quality control and technical evaluation
- ASTM-referenced test method
- Publication Date: 2020-09-22
- Publisher: ASTM
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